652879395212 has 24 divisors (see below), whose sum is σ = 1286612769792. Its totient is φ = 287190349200.

The previous prime is 652879395209. The next prime is 652879395241. The reversal of 652879395212 is 212593978256.

It is a happy 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, 239323928 + ... + 239326655.

It is an arithmetic number, because the mean of its divisors is an integer number (53608865408).

Almost surely, 2^652879395212 is an apocalyptic number.

652879395212 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

652879395212 is a deficient number, since it is larger than the sum of its proper divisors (633733374580).

652879395212 is a wasteful number, since it uses less digits than its factorization.

652879395212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478650629 (or 478650627 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 59.

The spelling of 652879395212 in words is "six hundred fifty-two billion, eight hundred seventy-nine million, three hundred ninety-five thousand, two hundred twelve".