19882998831 has 32 divisors (see below), whose sum is σ = 27591879168. Its totient is φ = 12725890560.

The previous prime is 19882998757. The next prime is 19882998841. The reversal of 19882998831 is 13889928891.

It is not a de Polignac number, because 19882998831 - 2¹⁹ = 19882474543 is a prime.

It is a super-2 number, since 2×19882998831² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19882998841) 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, 4370500 + ... + 4375046.

It is an arithmetic number, because the mean of its divisors is an integer number (862246224).

Almost surely, 2^19882998831 is an apocalyptic number.

19882998831 is a deficient number, since it is larger than the sum of its proper divisors (7708880337).

19882998831 is a wasteful number, since it uses less digits than its factorization.

19882998831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151.

The product of its digits is 17915904, while the sum is 66.

The spelling of 19882998831 in words is "nineteen billion, eight hundred eighty-two million, nine hundred ninety-eight thousand, eight hundred thirty-one".