654822691238 has 32 divisors (see below), whose sum is σ = 1033710923520. Its totient is φ = 310772198880.

The previous prime is 654822691199. The next prime is 654822691253. The reversal of 654822691238 is 832196228456.

654822691238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506 + ... + 1144397.

It is an arithmetic number, because the mean of its divisors is an integer number (32303466360).

Almost surely, 2^654822691238 is an apocalyptic number.

654822691238 is a deficient number, since it is larger than the sum of its proper divisors (378888232282).

654822691238 is a wasteful number, since it uses less digits than its factorization.

654822691238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145132.

The product of its digits is 9953280, while the sum is 56.

The spelling of 654822691238 in words is "six hundred fifty-four billion, eight hundred twenty-two million, six hundred ninety-one thousand, two hundred thirty-eight".