264536369 has 2 divisors, whose sum is σ = 264536370. Its totient is φ = 264536368.

The previous prime is 264536357. The next prime is 264536383. The reversal of 264536369 is 963635462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238393600 + 26142769 = 15440^2 + 5113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264536369 is a prime.

It is a super-2 number, since 2×264536369² = 139958981047408322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264536309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132268184 + 132268185.

It is an arithmetic number, because the mean of its divisors is an integer number (132268185).

Almost surely, 2^264536369 is an apocalyptic number.

It is an amenable number.

264536369 is a deficient number, since it is larger than the sum of its proper divisors (1).

264536369 is an equidigital number, since it uses as much as digits as its factorization.

264536369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 44.

The square root of 264536369 is about 16264.5740491413. The cubic root of 264536369 is about 641.9410221019.

The spelling of 264536369 in words is "two hundred sixty-four million, five hundred thirty-six thousand, three hundred sixty-nine".