493597256565 has 32 divisors (see below), whose sum is σ = 907982530560. Its totient is φ = 224293287744.

The previous prime is 493597256543. The next prime is 493597256587. The reversal of 493597256565 is 565652795394.

It is an interprime number because it is at equal distance from previous prime (493597256543) and next prime (493597256587).

It is not a de Polignac number, because 493597256565 - 2²⁰ = 493596207989 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 493597256496 and 493597256505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14057095 + ... + 14092164.

It is an arithmetic number, because the mean of its divisors is an integer number (28374454080).

Almost surely, 2^493597256565 is an apocalyptic number.

It is an amenable number.

493597256565 is a deficient number, since it is larger than the sum of its proper divisors (414385273995).

493597256565 is a wasteful number, since it uses less digits than its factorization.

493597256565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28149441.

The product of its digits is 306180000, while the sum is 66.

The spelling of 493597256565 in words is "four hundred ninety-three billion, five hundred ninety-seven million, two hundred fifty-six thousand, five hundred sixty-five".