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8763974489 is a prime number
BaseRepresentation
bin10000010100101111…
…11010001101011001
3211121202222000212202
420022113322031121
5120422034140424
64005350215545
7430115361014
oct101227721531
924552860782
108763974489
113798042826
1218470545b5
13a988c152a
145d1d3637b
153646082ae
hex20a5fa359

8763974489 has 2 divisors, whose sum is σ = 8763974490. Its totient is φ = 8763974488.

The previous prime is 8763974473. The next prime is 8763974491. The reversal of 8763974489 is 9844793678.

8763974489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7688659225 + 1075315264 = 87685^2 + 32792^2 .

It is a cyclic number.

It is not a de Polignac number, because 8763974489 - 24 = 8763974473 is a prime.

It is a super-2 number, since 2×87639744892 (a number of 21 digits) contains 22 as substring.

Together with 8763974491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8763974449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4381987244 + 4381987245.

It is an arithmetic number, because the mean of its divisors is an integer number (4381987245).

Almost surely, 28763974489 is an apocalyptic number.

It is an amenable number.

8763974489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8763974489 is an equidigital number, since it uses as much as digits as its factorization.

8763974489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73156608, while the sum is 65.

The square root of 8763974489 is about 93616.1016545765. The cubic root of 8763974489 is about 2061.7390732004.

The spelling of 8763974489 in words is "eight billion, seven hundred sixty-three million, nine hundred seventy-four thousand, four hundred eighty-nine".