19339772892 has 96 divisors (see below), whose sum is σ = 49603809024. Its totient is φ = 5816025600.

The previous prime is 19339772873. The next prime is 19339772941. The reversal of 19339772892 is 29827793391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14639592 + ... + 14640912.

It is an arithmetic number, because the mean of its divisors is an integer number (516706344).

Almost surely, 2^19339772892 is an apocalyptic number.

19339772892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19339772892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24801904512).

19339772892 is an abundant number, since it is smaller than the sum of its proper divisors (30264036132).

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

19339772892 is a wasteful number, since it uses less digits than its factorization.

19339772892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099 (or 2097 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 60.

The spelling of 19339772892 in words is "nineteen billion, three hundred thirty-nine million, seven hundred seventy-two thousand, eight hundred ninety-two".