5681254657 has 16 divisors (see below), whose sum is σ = 6662376000. Its totient is φ = 4796898624.

The previous prime is 5681254637. The next prime is 5681254661. The reversal of 5681254657 is 7564521865.

It is a cyclic number.

It is not a de Polignac number, because 5681254657 - 2⁷ = 5681254529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5681254657.

It is not an unprimeable number, because it can be changed into a prime (5681254627) 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, 389407 + ... + 403732.

It is an arithmetic number, because the mean of its divisors is an integer number (416398500).

Almost surely, 2^5681254657 is an apocalyptic number.

It is an amenable number.

5681254657 is a deficient number, since it is larger than the sum of its proper divisors (981121343).

5681254657 is a wasteful number, since it uses less digits than its factorization.

5681254657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793200.

The product of its digits is 2016000, while the sum is 49.

The square root of 5681254657 is about 75374.0980509883. The cubic root of 5681254657 is about 1784.3556438418.

The spelling of 5681254657 in words is "five billion, six hundred eighty-one million, two hundred fifty-four thousand, six hundred fifty-seven".