264630943 has 2 divisors, whose sum is σ = 264630944. Its totient is φ = 264630942.

The previous prime is 264630937. The next prime is 264630953. The reversal of 264630943 is 349036462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264630943 - 2¹⁷ = 264499871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264630953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132315471 + 132315472.

It is an arithmetic number, because the mean of its divisors is an integer number (132315472).

Almost surely, 2^264630943 is an apocalyptic number.

264630943 is a deficient number, since it is larger than the sum of its proper divisors (1).

264630943 is an equidigital number, since it uses as much as digits as its factorization.

264630943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 264630943 is about 16267.4811510572. The cubic root of 264630943 is about 642.0175127775.

The spelling of 264630943 in words is "two hundred sixty-four million, six hundred thirty thousand, nine hundred forty-three".