19231874196 has 24 divisors (see below), whose sum is σ = 45318676704. Its totient is φ = 6347152800.

The previous prime is 19231874191. The next prime is 19231874213. The reversal of 19231874196 is 69147813291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19231874191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7932730 + ... + 7935153.

It is an arithmetic number, because the mean of its divisors is an integer number (1888278196).

Almost surely, 2^19231874196 is an apocalyptic number.

It is an amenable number.

19231874196 is an abundant number, since it is smaller than the sum of its proper divisors (26086802508).

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

19231874196 is a wasteful number, since it uses less digits than its factorization.

19231874196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15867991 (or 15867989 counting only the distinct ones).

The product of its digits is 653184, while the sum is 51.

The spelling of 19231874196 in words is "nineteen billion, two hundred thirty-one million, eight hundred seventy-four thousand, one hundred ninety-six".