9983142270881 has 32 divisors (see below), whose sum is σ = 11524318999200. Its totient is φ = 8566260940800.

The previous prime is 9983142270839. The next prime is 9983142270883. The reversal of 9983142270881 is 1880722413899.

It can be written as a sum of positive squares in 16 ways, for example, as 283598851600 + 9699543419281 = 532540^2 + 3114409^2 .

It is not a de Polignac number, because 9983142270881 - 2³⁰ = 9982068529057 is a prime.

It is a super-2 number, since 2×9983142270881² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9983142270883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8582525 + ... + 9676053.

It is an arithmetic number, because the mean of its divisors is an integer number (360134968725).

Almost surely, 2^{9983142270881} is an apocalyptic number.

It is an amenable number.

9983142270881 is a deficient number, since it is larger than the sum of its proper divisors (1541176728319).

9983142270881 is a wasteful number, since it uses less digits than its factorization.

9983142270881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094069.

The product of its (nonzero) digits is 13934592, while the sum is 62.

The spelling of 9983142270881 in words is "nine trillion, nine hundred eighty-three billion, one hundred forty-two million, two hundred seventy thousand, eight hundred eighty-one".