6471172706831 has 24 divisors (see below), whose sum is σ = 7635282860160. Its totient is φ = 5467473135600.

The previous prime is 6471172706827. The next prime is 6471172706837. The reversal of 6471172706831 is 1386072711746.

It is not a de Polignac number, because 6471172706831 - 2² = 6471172706827 is a prime.

It is a super-2 number, since 2×6471172706831² (a number of 26 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 (6471172706837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16966340 + ... + 17343558.

It is an arithmetic number, because the mean of its divisors is an integer number (318136785840).

Almost surely, 2^{6471172706831} is an apocalyptic number.

6471172706831 is a deficient number, since it is larger than the sum of its proper divisors (1164110153329).

6471172706831 is a wasteful number, since it uses less digits than its factorization.

6471172706831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382235 (or 382228 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 6471172706831 in words is "six trillion, four hundred seventy-one billion, one hundred seventy-two million, seven hundred six thousand, eight hundred thirty-one".