654551795831 has 4 divisors (see below), whose sum is σ = 655186667664. Its totient is φ = 653916924000.

The previous prime is 654551795819. The next prime is 654551795857. The reversal of 654551795831 is 138597155456.

654551795831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 654551795831 - 2¹⁰ = 654551794807 is a prime.

It is a super-2 number, since 2×654551795831² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654551795801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317434370 + ... + 317436431.

It is an arithmetic number, because the mean of its divisors is an integer number (163796666916).

Almost surely, 2^654551795831 is an apocalyptic number.

654551795831 is a deficient number, since it is larger than the sum of its proper divisors (634871833).

654551795831 is a wasteful number, since it uses less digits than its factorization.

654551795831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634871832.

The product of its digits is 22680000, while the sum is 59.

The spelling of 654551795831 in words is "six hundred fifty-four billion, five hundred fifty-one million, seven hundred ninety-five thousand, eight hundred thirty-one".