47970656964 has 18 divisors (see below), whose sum is σ = 121259160750. Its totient is φ = 15990218976.

The previous prime is 47970656953. The next prime is 47970656969. The reversal of 47970656964 is 46965607974.

47970656964 is a `hidden beast` number, since 4 + 7 + 9 + 7 + 0 + 6 + 569 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37542162564 + 10428494400 = 193758^2 + 102120^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (47970656969) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 666259089 + ... + 666259160.

Almost surely, 2^47970656964 is an apocalyptic number.

It is an amenable number.

47970656964 is an abundant number, since it is smaller than the sum of its proper divisors (73288503786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47970656964 is a wasteful number, since it uses less digits than its factorization.

47970656964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332518259 (or 1332518254 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 47970656964 in words is "forty-seven billion, nine hundred seventy million, six hundred fifty-six thousand, nine hundred sixty-four".