47839704631 has 4 divisors (see below), whose sum is σ = 47867184664. Its totient is φ = 47812224600.

The previous prime is 47839704617. The next prime is 47839704677. The reversal of 47839704631 is 13640793874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13640793874 = 2 ⋅6820396937.

It is a cyclic number.

It is not a de Polignac number, because 47839704631 - 2⁷ = 47839704503 is a prime.

It is a super-2 number, since 2×47839704631² (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 (47839504631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13737405 + ... + 13740886.

It is an arithmetic number, because the mean of its divisors is an integer number (11966796166).

Almost surely, 2^47839704631 is an apocalyptic number.

47839704631 is a deficient number, since it is larger than the sum of its proper divisors (27480033).

47839704631 is a wasteful number, since it uses less digits than its factorization.

47839704631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27480032.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 47839704631 in words is "forty-seven billion, eight hundred thirty-nine million, seven hundred four thousand, six hundred thirty-one".