19241971936 has 24 divisors (see below), whose sum is σ = 41326508664. Its totient is φ = 8746350720.

The previous prime is 19241971927. The next prime is 19241971981. The reversal of 19241971936 is 63917914291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27331995 + ... + 27332698.

It is an arithmetic number, because the mean of its divisors is an integer number (1721937861).

Almost surely, 2^19241971936 is an apocalyptic number.

19241971936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19241971936 is an abundant number, since it is smaller than the sum of its proper divisors (22084536728).

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

19241971936 is a wasteful number, since it uses less digits than its factorization.

19241971936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54664714 (or 54664706 counting only the distinct ones).

The product of its digits is 734832, while the sum is 52.

The spelling of 19241971936 in words is "nineteen billion, two hundred forty-one million, nine hundred seventy-one thousand, nine hundred thirty-six".