425535265065 has 16 divisors (see below), whose sum is σ = 696690295488. Its totient is φ = 221674184256.

The previous prime is 425535265039. The next prime is 425535265079. The reversal of 425535265065 is 560562535524.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-425535265065 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329871654 + ... + 329872943.

It is an arithmetic number, because the mean of its divisors is an integer number (43543143468).

Almost surely, 2^425535265065 is an apocalyptic number.

It is an amenable number.

425535265065 is a deficient number, since it is larger than the sum of its proper divisors (271155030423).

425535265065 is a wasteful number, since it uses less digits than its factorization.

425535265065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659744648.

The product of its (nonzero) digits is 5400000, while the sum is 48.

The spelling of 425535265065 in words is "four hundred twenty-five billion, five hundred thirty-five million, two hundred sixty-five thousand, sixty-five".