465237553521 has 64 divisors (see below), whose sum is σ = 732171460608. Its totient is φ = 260110061568.

The previous prime is 465237553489. The next prime is 465237553549. The reversal of 465237553521 is 125355732564.

It is not a de Polignac number, because 465237553521 - 2⁵ = 465237553489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (465237553421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3040771 + ... + 3190103.

It is an arithmetic number, because the mean of its divisors is an integer number (11440179072).

Almost surely, 2^465237553521 is an apocalyptic number.

It is an amenable number.

465237553521 is a deficient number, since it is larger than the sum of its proper divisors (266933907087).

465237553521 is a wasteful number, since it uses less digits than its factorization.

465237553521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149530.

The product of its digits is 3780000, while the sum is 48.

The spelling of 465237553521 in words is "four hundred sixty-five billion, two hundred thirty-seven million, five hundred fifty-three thousand, five hundred twenty-one".