264027502457 has 2 divisors, whose sum is σ = 264027502458. Its totient is φ = 264027502456.

The previous prime is 264027502447. The next prime is 264027502637. The reversal of 264027502457 is 754205720462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198540645241 + 65486857216 = 445579^2 + 255904^2 .

It is a cyclic number.

It is not a de Polignac number, because 264027502457 - 2³⁰ = 262953760633 is a prime.

It is a super-2 number, since 2×264027502457² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264027502447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132013751228 + 132013751229.

It is an arithmetic number, because the mean of its divisors is an integer number (132013751229).

Almost surely, 2^264027502457 is an apocalyptic number.

It is an amenable number.

264027502457 is a deficient number, since it is larger than the sum of its proper divisors (1).

264027502457 is an equidigital number, since it uses as much as digits as its factorization.

264027502457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 264027502457 in words is "two hundred sixty-four billion, twenty-seven million, five hundred two thousand, four hundred fifty-seven".