2031568654 has 12 divisors (see below), whose sum is σ = 3216182544. Its totient is φ = 962321652.

The previous prime is 2031568631. The next prime is 2031568667. The reversal of 2031568654 is 4568651302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1406182 + ... + 1407625.

It is an arithmetic number, because the mean of its divisors is an integer number (268015212).

Almost surely, 2^2031568654 is an apocalyptic number.

2031568654 is a deficient number, since it is larger than the sum of its proper divisors (1184613890).

2031568654 is a wasteful number, since it uses less digits than its factorization.

2031568654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813847 (or 2813828 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 2031568654 is about 45072.9259533925. The cubic root of 2031568654 is about 1266.5154763990.

The spelling of 2031568654 in words is "two billion, thirty-one million, five hundred sixty-eight thousand, six hundred fifty-four".