5646693897 has 32 divisors (see below), whose sum is σ = 9043372800. Its totient is φ = 3461619456.

The previous prime is 5646693893. The next prime is 5646693919. The reversal of 5646693897 is 7983966465.

5646693897 is a `hidden beast` number, since 5 + 6 + 466 + 93 + 89 + 7 = 666.

5646693897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5646693897 - 2² = 5646693893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5646693893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61729 + ... + 122897.

It is an arithmetic number, because the mean of its divisors is an integer number (282605400).

Almost surely, 2^5646693897 is an apocalyptic number.

It is an amenable number.

5646693897 is a deficient number, since it is larger than the sum of its proper divisors (3396678903).

5646693897 is a wasteful number, since it uses less digits than its factorization.

5646693897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61454 (or 61448 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The square root of 5646693897 is about 75144.4868037569. The cubic root of 5646693897 is about 1780.7300267975.

The spelling of 5646693897 in words is "five billion, six hundred forty-six million, six hundred ninety-three thousand, eight hundred ninety-seven".