3172697490571 has 12 divisors (see below), whose sum is σ = 3809743400640. Its totient is φ = 2631730636080.

The previous prime is 3172697490551. The next prime is 3172697490577. The reversal of 3172697490571 is 1750947962713.

It is not a de Polignac number, because 3172697490571 - 2¹⁷ = 3172697359499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3172697490577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1044336036 + ... + 1044339073.

It is an arithmetic number, because the mean of its divisors is an integer number (317478616720).

Almost surely, 2^{3172697490571} is an apocalyptic number.

3172697490571 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3172697490571 is a deficient number, since it is larger than the sum of its proper divisors (637045910069).

3172697490571 is a wasteful number, since it uses less digits than its factorization.

3172697490571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088675154 (or 2088675147 counting only the distinct ones).

The product of its (nonzero) digits is 20003760, while the sum is 61.

The spelling of 3172697490571 in words is "three trillion, one hundred seventy-two billion, six hundred ninety-seven million, four hundred ninety thousand, five hundred seventy-one".