652644214623 has 24 divisors (see below), whose sum is σ = 977678083200. Its totient is φ = 435071820888.

The previous prime is 652644214613. The next prime is 652644214693. The reversal of 652644214623 is 326412446256.

It is a happy number.

652644214623 is a `hidden beast` number, since 6 + 5 + 2 + 6 + 4 + 4 + 2 + 14 + 623 = 666.

It is not a de Polignac number, because 652644214623 - 2¹² = 652644210527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652644214613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4979748 + ... + 5109126.

It is an arithmetic number, because the mean of its divisors is an integer number (40736586800).

Almost surely, 2^652644214623 is an apocalyptic number.

652644214623 is a deficient number, since it is larger than the sum of its proper divisors (325033868577).

652644214623 is a wasteful number, since it uses less digits than its factorization.

652644214623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150153 (or 150141 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The spelling of 652644214623 in words is "six hundred fifty-two billion, six hundred forty-four million, two hundred fourteen thousand, six hundred twenty-three".