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63379489 is a prime number
BaseRepresentation
bin1111000111000…
…1100000100001
311102021000022111
43301301200201
5112211120424
610142235321
71366500565
oct361614041
9142230274
1063379489
1132859a48
1219285b41
1310191274
1485bb6a5
15586e194
hex3c71821

63379489 has 2 divisors, whose sum is σ = 63379490. Its totient is φ = 63379488.

The previous prime is 63379457. The next prime is 63379501. The reversal of 63379489 is 98497336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55353600 + 8025889 = 7440^2 + 2833^2 .

It is a cyclic number.

It is not a de Polignac number, because 63379489 - 25 = 63379457 is a prime.

It is a super-2 number, since 2×633794892 = 8033919251802242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63379429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31689744 + 31689745.

It is an arithmetic number, because the mean of its divisors is an integer number (31689745).

Almost surely, 263379489 is an apocalyptic number.

It is an amenable number.

63379489 is a deficient number, since it is larger than the sum of its proper divisors (1).

63379489 is an equidigital number, since it uses as much as digits as its factorization.

63379489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 49.

The square root of 63379489 is about 7961.1236016030. The cubic root of 63379489 is about 398.7030682146.

The spelling of 63379489 in words is "sixty-three million, three hundred seventy-nine thousand, four hundred eighty-nine".