655973753631 has 16 divisors (see below), whose sum is σ = 999692525568. Its totient is φ = 374799592800.

The previous prime is 655973753629. The next prime is 655973753641. The reversal of 655973753631 is 136357379556.

655973753631 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 655973753631 - 2¹ = 655973753629 is a prime.

It is a super-2 number, since 2×655973753631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655973753621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583140 + ... + 1954041.

It is an arithmetic number, because the mean of its divisors is an integer number (62480782848).

Almost surely, 2^655973753631 is an apocalyptic number.

655973753631 is a deficient number, since it is larger than the sum of its proper divisors (343718771937).

655973753631 is a wasteful number, since it uses less digits than its factorization.

655973753631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546022.

The product of its digits is 53581500, while the sum is 60.

The spelling of 655973753631 in words is "six hundred fifty-five billion, nine hundred seventy-three million, seven hundred fifty-three thousand, six hundred thirty-one".