264402269 has 2 divisors, whose sum is σ = 264402270. Its totient is φ = 264402268.

The previous prime is 264402223. The next prime is 264402289. The reversal of 264402269 is 962204462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232196644 + 32205625 = 15238^2 + 5675^2 .

It is a cyclic number.

It is not a de Polignac number, because 264402269 - 2²⁰ = 263353693 is a prime.

It is a super-2 number, since 2×264402269² = 139817119704696722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264402209) 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, 132201134 + 132201135.

It is an arithmetic number, because the mean of its divisors is an integer number (132201135).

Almost surely, 2^264402269 is an apocalyptic number.

It is an amenable number.

264402269 is a deficient number, since it is larger than the sum of its proper divisors (1).

264402269 is an equidigital number, since it uses as much as digits as its factorization.

264402269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 264402269 is about 16260.4510700042. The cubic root of 264402269 is about 641.8325318635.

The spelling of 264402269 in words is "two hundred sixty-four million, four hundred two thousand, two hundred sixty-nine".