4379400657 has 6 divisors (see below), whose sum is σ = 6325800962. Its totient is φ = 2919600432.

The previous prime is 4379400631. The next prime is 4379400671. The reversal of 4379400657 is 7560049734.

It can be written as a sum of positive squares in only one way, i.e., 4366698561 + 12702096 = 66081^2 + 3564^2 .

It is not a de Polignac number, because 4379400657 - 2⁶ = 4379400593 is a prime.

It is a super-2 number, since 2×4379400657² = 38358300229064063298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4379400607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243300028 + ... + 243300045.

Almost surely, 2^4379400657 is an apocalyptic number.

It is an amenable number.

4379400657 is a deficient number, since it is larger than the sum of its proper divisors (1946400305).

4379400657 is a wasteful number, since it uses less digits than its factorization.

4379400657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486600079 (or 486600076 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 4379400657 is about 66177.0402556657. The cubic root of 4379400657 is about 1636.0813462231.

The spelling of 4379400657 in words is "four billion, three hundred seventy-nine million, four hundred thousand, six hundred fifty-seven".