19797588692 has 24 divisors (see below), whose sum is σ = 39607538880. Its totient is φ = 8482032000.

The previous prime is 19797588673. The next prime is 19797588719. The reversal of 19797588692 is 29688579791.

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, 17717 + ... + 199772.

It is an arithmetic number, because the mean of its divisors is an integer number (1650314120).

Almost surely, 2^19797588692 is an apocalyptic number.

It is an amenable number.

19797588692 is an abundant number, since it is smaller than the sum of its proper divisors (19809950188).

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

19797588692 is a wasteful number, since it uses less digits than its factorization.

19797588692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220751 (or 220749 counting only the distinct ones).

The product of its digits is 137168640, while the sum is 71.

The spelling of 19797588692 in words is "nineteen billion, seven hundred ninety-seven million, five hundred eighty-eight thousand, six hundred ninety-two".