264527317519 has 2 divisors, whose sum is σ = 264527317520. Its totient is φ = 264527317518.

The previous prime is 264527317447. The next prime is 264527317541. The reversal of 264527317519 is 915713725462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264527317519 - 2¹⁷ = 264527186447 is a prime.

It is a super-2 number, since 2×264527317519² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264627317519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132263658759 + 132263658760.

It is an arithmetic number, because the mean of its divisors is an integer number (132263658760).

Almost surely, 2^264527317519 is an apocalyptic number.

264527317519 is a deficient number, since it is larger than the sum of its proper divisors (1).

264527317519 is an equidigital number, since it uses as much as digits as its factorization.

264527317519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 52.

The spelling of 264527317519 in words is "two hundred sixty-four billion, five hundred twenty-seven million, three hundred seventeen thousand, five hundred nineteen".