19214928792 has 48 divisors (see below), whose sum is σ = 52052963040. Its totient is φ = 6403434048.

The previous prime is 19214928749. The next prime is 19214928823. The reversal of 19214928792 is 29782941291.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291438 + ... + 351234.

It is an arithmetic number, because the mean of its divisors is an integer number (1084436730).

Almost surely, 2^19214928792 is an apocalyptic number.

19214928792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19214928792 is an abundant number, since it is smaller than the sum of its proper divisors (32838034248).

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

19214928792 is a wasteful number, since it uses less digits than its factorization.

19214928792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64272 (or 64265 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The spelling of 19214928792 in words is "nineteen billion, two hundred fourteen million, nine hundred twenty-eight thousand, seven hundred ninety-two".