565485785406456 has 32 divisors (see below), whose sum is σ = 1414428821625600. Its totient is φ = 188400014054240.

The previous prime is 565485785406449. The next prime is 565485785406463. The reversal of 565485785406456 is 654604587584565.

It is an interprime number because it is at equal distance from previous prime (565485785406449) and next prime (565485785406463).

It is a super-2 number, since 2×565485785406456² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5952935760 + ... + 5953030751.

It is an arithmetic number, because the mean of its divisors is an integer number (44200900675800).

Almost surely, 2^{565485785406456} is an apocalyptic number.

It is an amenable number.

565485785406456 is an abundant number, since it is smaller than the sum of its proper divisors (848943036219144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565485785406456 is a wasteful number, since it uses less digits than its factorization.

565485785406456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11905968499 (or 11905968495 counting only the distinct ones).

The product of its (nonzero) digits is 19353600000, while the sum is 78.

The spelling of 565485785406456 in words is "five hundred sixty-five trillion, four hundred eighty-five billion, seven hundred eighty-five million, four hundred six thousand, four hundred fifty-six".