1063264639 has 2 divisors, whose sum is σ = 1063264640. Its totient is φ = 1063264638.

The previous prime is 1063264583. The next prime is 1063264651. The reversal of 1063264639 is 9364623601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1063264639 is a prime.

It is a super-2 number, since 2×1063264639² = 2261063385095600642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1063264039) 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, 531632319 + 531632320.

It is an arithmetic number, because the mean of its divisors is an integer number (531632320).

Almost surely, 2^1063264639 is an apocalyptic number.

1063264639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063264639 is an equidigital number, since it uses as much as digits as its factorization.

1063264639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 1063264639 is about 32607.7389433858. The cubic root of 1063264639 is about 1020.6585005217.

The spelling of 1063264639 in words is "one billion, sixty-three million, two hundred sixty-four thousand, six hundred thirty-nine".