3952975671631 has 4 divisors (see below), whose sum is σ = 4517686481872. Its totient is φ = 3388264861392.

The previous prime is 3952975671629. The next prime is 3952975671677. The reversal of 3952975671631 is 1361765792593.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3952975671631 - 2¹ = 3952975671629 is a prime.

It is a super-2 number, since 2×3952975671631² (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 (3952979671631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282355405110 + ... + 282355405123.

It is an arithmetic number, because the mean of its divisors is an integer number (1129421620468).

Almost surely, 2^{3952975671631} is an apocalyptic number.

3952975671631 is a deficient number, since it is larger than the sum of its proper divisors (564710810241).

3952975671631 is an equidigital number, since it uses as much as digits as its factorization.

3952975671631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564710810240.

The product of its digits is 64297800, while the sum is 64.

The spelling of 3952975671631 in words is "three trillion, nine hundred fifty-two billion, nine hundred seventy-five million, six hundred seventy-one thousand, six hundred thirty-one".