5921697657 has 8 divisors (see below), whose sum is σ = 8079215584. Its totient is φ = 3855989088.

The previous prime is 5921697653. The next prime is 5921697667. The reversal of 5921697657 is 7567961295.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5921697657 - 2² = 5921697653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5921697597 and 5921697606.

It is not an unprimeable number, because it can be changed into a prime (5921697653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22952188 + ... + 22952445.

It is an arithmetic number, because the mean of its divisors is an integer number (1009901948).

Almost surely, 2^5921697657 is an apocalyptic number.

It is an amenable number.

5921697657 is a deficient number, since it is larger than the sum of its proper divisors (2157517927).

5921697657 is a wasteful number, since it uses less digits than its factorization.

5921697657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45904679.

The product of its digits is 7144200, while the sum is 57.

The square root of 5921697657 is about 76952.5675789963. The cubic root of 5921697657 is about 1809.1812437028.

The spelling of 5921697657 in words is "five billion, nine hundred twenty-one million, six hundred ninety-seven thousand, six hundred fifty-seven".