47179038431 has 8 divisors (see below), whose sum is σ = 55019287200. Its totient is φ = 40439175504.

The previous prime is 47179038427. The next prime is 47179038433. The reversal of 47179038431 is 13483097174.

It is not a de Polignac number, because 47179038431 - 2² = 47179038427 is a prime.

It is a super-2 number, since 2×47179038431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47179038433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68773766 + ... + 68774451.

It is an arithmetic number, because the mean of its divisors is an integer number (6877410900).

Almost surely, 2^47179038431 is an apocalyptic number.

47179038431 is a deficient number, since it is larger than the sum of its proper divisors (7840248769).

47179038431 is an equidigital number, since it uses as much as digits as its factorization.

47179038431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137548238 (or 137548224 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 47179038431 in words is "forty-seven billion, one hundred seventy-nine million, thirty-eight thousand, four hundred thirty-one".