18941764712 has 48 divisors (see below), whose sum is σ = 38487271680. Its totient is φ = 8735688000.

The previous prime is 18941764679. The next prime is 18941764789. The reversal of 18941764712 is 21746714981.

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, 2065337 + ... + 2074487.

It is an arithmetic number, because the mean of its divisors is an integer number (801818160).

Almost surely, 2^18941764712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18941764712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19243635840).

18941764712 is an abundant number, since it is smaller than the sum of its proper divisors (19545506968).

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

18941764712 is a wasteful number, since it uses less digits than its factorization.

18941764712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10714 (or 10697 counting only the distinct ones).

The product of its digits is 677376, while the sum is 50.

The spelling of 18941764712 in words is "eighteen billion, nine hundred forty-one million, seven hundred sixty-four thousand, seven hundred twelve".