653212757924 has 24 divisors (see below), whose sum is σ = 1159310396160. Its totient is φ = 321997648544.

The previous prime is 653212757861. The next prime is 653212757929. The reversal of 653212757924 is 429757212356.

It is a super-2 number, since 2×653212757924² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (653212757929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894739 + ... + 2212794.

It is an arithmetic number, because the mean of its divisors is an integer number (48304599840).

Almost surely, 2^653212757924 is an apocalyptic number.

It is an amenable number.

653212757924 is a deficient number, since it is larger than the sum of its proper divisors (506097638236).

653212757924 is a wasteful number, since it uses less digits than its factorization.

653212757924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108099 (or 4108097 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 53.

The spelling of 653212757924 in words is "six hundred fifty-three billion, two hundred twelve million, seven hundred fifty-seven thousand, nine hundred twenty-four".