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2668829489 is a prime number
BaseRepresentation
bin1001111100010011…
…0001101100110001
320212222212120210122
42133010301230301
520431210020424
61120454140025
7123064450664
oct23704615461
96788776718
102668829489
11114a537107
12625951615
13336bc1a61
141b463b6db
1510947945e
hex9f131b31

2668829489 has 2 divisors, whose sum is σ = 2668829490. Its totient is φ = 2668829488.

The previous prime is 2668829467. The next prime is 2668829533. The reversal of 2668829489 is 9849288662.

2668829489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2635282225 + 33547264 = 51335^2 + 5792^2 .

It is a cyclic number.

It is not a de Polignac number, because 2668829489 - 216 = 2668763953 is a prime.

It is a super-2 number, since 2×26688294892 = 14245301682712002242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2668829419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334414744 + 1334414745.

It is an arithmetic number, because the mean of its divisors is an integer number (1334414745).

Almost surely, 22668829489 is an apocalyptic number.

It is an amenable number.

2668829489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2668829489 is an equidigital number, since it uses as much as digits as its factorization.

2668829489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23887872, while the sum is 62.

The square root of 2668829489 is about 51660.7151421658. The cubic root of 2668829489 is about 1387.0973517028.

The spelling of 2668829489 in words is "two billion, six hundred sixty-eight million, eight hundred twenty-nine thousand, four hundred eighty-nine".