47634771531 has 16 divisors (see below), whose sum is σ = 64599609600. Its totient is φ = 31213392288.

The previous prime is 47634771517. The next prime is 47634771533. The reversal of 47634771531 is 13517743674.

47634771531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47634771531 - 2⁷ = 47634771403 is a prime.

It is a super-2 number, since 2×47634771531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47634771533) 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, 1377505 + ... + 1411661.

It is an arithmetic number, because the mean of its divisors is an integer number (4037475600).

Almost surely, 2^47634771531 is an apocalyptic number.

47634771531 is a deficient number, since it is larger than the sum of its proper divisors (16964838069).

47634771531 is a wasteful number, since it uses less digits than its factorization.

47634771531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42098.

The product of its digits is 1481760, while the sum is 48.

The spelling of 47634771531 in words is "forty-seven billion, six hundred thirty-four million, seven hundred seventy-one thousand, five hundred thirty-one".