47706474913 has 18 divisors (see below), whose sum is σ = 49076675298. Its totient is φ = 46369445760.

The previous prime is 47706474889. The next prime is 47706474931. The reversal of 47706474913 is 31947460774.

It can be written as a sum of positive squares in only one way, i.e., 39837365649 + 7869109264 = 199593^2 + 88708^2 .

It is a de Polignac number, because none of the positive numbers 2^k-47706474913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47706474943) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 144128158 + ... + 144128488.

It is an arithmetic number, because the mean of its divisors is an integer number (2726481961).

Almost surely, 2^47706474913 is an apocalyptic number.

It is an amenable number.

47706474913 is a deficient number, since it is larger than the sum of its proper divisors (1370200385).

47706474913 is an frugal number, since it uses more digits than its factorization.

47706474913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 47706474913 in words is "forty-seven billion, seven hundred six million, four hundred seventy-four thousand, nine hundred thirteen".