18963740193792 has 176 divisors, whose sum is σ = 52795900410240. Its totient is φ = 6044014706688.

The previous prime is 18963740193773. The next prime is 18963740193829. The reversal of 18963740193792 is 29739104736981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8142738 + ... + 10209390.

Almost surely, 2^{18963740193792} is an apocalyptic number.

18963740193792 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 18963740193792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26397950205120).

18963740193792 is an abundant number, since it is smaller than the sum of its proper divisors (33832160216448).

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

18963740193792 is a wasteful number, since it uses less digits than its factorization.

18963740193792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066808 (or 2066790 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 69.

The spelling of 18963740193792 in words is "eighteen trillion, nine hundred sixty-three billion, seven hundred forty million, one hundred ninety-three thousand, seven hundred ninety-two".