47909514731 has 16 divisors (see below), whose sum is σ = 52643014368. Its totient is φ = 43334784000.

The previous prime is 47909514701. The next prime is 47909514743. The reversal of 47909514731 is 13741590974.

It is a cyclic number.

It is not a de Polignac number, because 47909514731 - 2³⁴ = 30729645547 is a prime.

It is a super-2 number, since 2×47909514731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47909514731.

It is not an unprimeable number, because it can be changed into a prime (47909514701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60725 + ... + 315446.

It is an arithmetic number, because the mean of its divisors is an integer number (3290188398).

Almost surely, 2^47909514731 is an apocalyptic number.

47909514731 is a deficient number, since it is larger than the sum of its proper divisors (4733499637).

47909514731 is a wasteful number, since it uses less digits than its factorization.

47909514731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376382.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 47909514731 in words is "forty-seven billion, nine hundred nine million, five hundred fourteen thousand, seven hundred thirty-one".