1972853431808 has 80 divisors (see below), whose sum is σ = 4530144516480. Its totient is φ = 840784828416.

The previous prime is 1972853431799. The next prime is 1972853431819. The reversal of 1972853431808 is 8081343582791.

It is a super-2 number, since 2×1972853431808² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896066 + ... + 2179137.

It is an arithmetic number, because the mean of its divisors is an integer number (56626806456).

Almost surely, 2^{1972853431808} is an apocalyptic number.

It is an amenable number.

1972853431808 is an abundant number, since it is smaller than the sum of its proper divisors (2557291084672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1972853431808 is an equidigital number, since it uses as much as digits as its factorization.

1972853431808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075407 (or 3075391 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 1972853431808 in words is "one trillion, nine hundred seventy-two billion, eight hundred fifty-three million, four hundred thirty-one thousand, eight hundred eight".