264630979 has 2 divisors, whose sum is σ = 264630980. Its totient is φ = 264630978.

The previous prime is 264630953. The next prime is 264631001. The reversal of 264630979 is 979036462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264630979 - 2¹⁹ = 264106691 is a prime.

It is not a weakly prime, because it can be changed into another prime (264630929) 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, 132315489 + 132315490.

It is an arithmetic number, because the mean of its divisors is an integer number (132315490).

Almost surely, 2^264630979 is an apocalyptic number.

264630979 is a deficient number, since it is larger than the sum of its proper divisors (1).

264630979 is an equidigital number, since it uses as much as digits as its factorization.

264630979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 264630979 is about 16267.4822575591. The cubic root of 264630979 is about 642.0175418905.

The spelling of 264630979 in words is "two hundred sixty-four million, six hundred thirty thousand, nine hundred seventy-nine".