972055035021 has 16 divisors (see below), whose sum is σ = 1515673854464. Its totient is φ = 542542344624.

The previous prime is 972055035019. The next prime is 972055035043. The reversal of 972055035021 is 120530550279.

It is not a de Polignac number, because 972055035021 - 2¹ = 972055035019 is a prime.

It is a super-2 number, since 2×972055035021² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972055035001) 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 15 ways as a sum of consecutive naturals, for example, 538235551 + ... + 538237356.

It is an arithmetic number, because the mean of its divisors is an integer number (94729615904).

Almost surely, 2^972055035021 is an apocalyptic number.

It is an amenable number.

972055035021 is a deficient number, since it is larger than the sum of its proper divisors (543618819443).

972055035021 is a wasteful number, since it uses less digits than its factorization.

972055035021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076472960.

The product of its (nonzero) digits is 94500, while the sum is 39.

The spelling of 972055035021 in words is "nine hundred seventy-two billion, fifty-five million, thirty-five thousand, twenty-one".