653718950652 has 24 divisors (see below), whose sum is σ = 1526781895632. Its totient is φ = 217700934400.

The previous prime is 653718950627. The next prime is 653718950663. The reversal of 653718950652 is 256059817356.

It is a super-2 number, since 2×653718950652² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 653718950592 and 653718950601.

It is a congruent 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, 25659549 + ... + 25685012.

It is an arithmetic number, because the mean of its divisors is an integer number (63615912318).

Almost surely, 2^653718950652 is an apocalyptic number.

It is an amenable number.

653718950652 is an abundant number, since it is smaller than the sum of its proper divisors (873062944980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

653718950652 is a wasteful number, since it uses less digits than its factorization.

653718950652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51345629 (or 51345627 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 57.

The spelling of 653718950652 in words is "six hundred fifty-three billion, seven hundred eighteen million, nine hundred fifty thousand, six hundred fifty-two".