47606451656 has 8 divisors (see below), whose sum is σ = 89262096870. Its totient is φ = 23803225824.

The previous prime is 47606451643. The next prime is 47606451689. The reversal of 47606451656 is 65615460674.

It can be written as a sum of positive squares in only one way, i.e., 26884849156 + 20721602500 = 163966^2 + 143950^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2975403221 + ... + 2975403236.

Almost surely, 2^47606451656 is an apocalyptic number.

It is an amenable number.

47606451656 is a deficient number, since it is larger than the sum of its proper divisors (41655645214).

47606451656 is a wasteful number, since it uses less digits than its factorization.

47606451656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5950806463 (or 5950806459 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 47606451656 in words is "forty-seven billion, six hundred six million, four hundred fifty-one thousand, six hundred fifty-six".