5656396899 has 8 divisors (see below), whose sum is σ = 7548805120. Its totient is φ = 3767459976.

The previous prime is 5656396891. The next prime is 5656396913. The reversal of 5656396899 is 9986936565.

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

It is not a de Polignac number, because 5656396899 - 2³ = 5656396891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5656396891) 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, 864019 + ... + 870540.

It is an arithmetic number, because the mean of its divisors is an integer number (943600640).

Almost surely, 2^5656396899 is an apocalyptic number.

5656396899 is a deficient number, since it is larger than the sum of its proper divisors (1892408221).

5656396899 is a wasteful number, since it uses less digits than its factorization.

5656396899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735649.

The product of its digits is 94478400, while the sum is 66.

The square root of 5656396899 is about 75209.0213937131. The cubic root of 5656396899 is about 1781.7494161938.

The spelling of 5656396899 in words is "five billion, six hundred fifty-six million, three hundred ninety-six thousand, eight hundred ninety-nine".