653867023922 has 42 divisors (see below), whose sum is σ = 1144952736447. Its totient is φ = 280060620924.

The previous prime is 653867023889. The next prime is 653867023949. The reversal of 653867023922 is 229320768356.

653867023922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 326933511961 + 326933511961 = 571781^2 + 571781^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=571781.

It is a super-2 number, since 2×653867023922² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 392240933 + ... + 392242599.

Almost surely, 2^653867023922 is an apocalyptic number.

653867023922 is a deficient number, since it is larger than the sum of its proper divisors (491085712525).

653867023922 is an frugal number, since it uses more digits than its factorization.

653867023922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378 (or 1676 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 653867023922 in words is "six hundred fifty-three billion, eight hundred sixty-seven million, twenty-three thousand, nine hundred twenty-two".