5656737863 has 8 divisors (see below), whose sum is σ = 6525263232. Its totient is φ = 4803317496.

The previous prime is 5656737847. The next prime is 5656737881. The reversal of 5656737863 is 3687376565.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5656737863 - 2⁴ = 5656737847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5656737799 and 5656737808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656737833) 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, 3775445 + ... + 3776942.

It is an arithmetic number, because the mean of its divisors is an integer number (815657904).

Almost surely, 2^5656737863 is an apocalyptic number.

5656737863 is a deficient number, since it is larger than the sum of its proper divisors (868525369).

5656737863 is a wasteful number, since it uses less digits than its factorization.

5656737863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7552501.

The product of its digits is 19051200, while the sum is 56.

The square root of 5656737863 is about 75211.2881354920. The cubic root of 5656737863 is about 1781.7852163809.

The spelling of 5656737863 in words is "five billion, six hundred fifty-six million, seven hundred thirty-seven thousand, eight hundred sixty-three".