18862394371394 has 96 divisors (see below), whose sum is σ = 34936775470080. Its totient is φ = 7589213678592.

The previous prime is 18862394371357. The next prime is 18862394371397. The reversal of 18862394371394 is 49317349326881.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18862394371397) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2878433222 + ... + 2878439774.

It is an arithmetic number, because the mean of its divisors is an integer number (363924744480).

Almost surely, 2^{18862394371394} is an apocalyptic number.

18862394371394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18862394371394 is a deficient number, since it is larger than the sum of its proper divisors (16074381098686).

18862394371394 is a wasteful number, since it uses less digits than its factorization.

18862394371394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10672 (or 10665 counting only the distinct ones).

The product of its digits is 188116992, while the sum is 68.

The spelling of 18862394371394 in words is "eighteen trillion, eight hundred sixty-two billion, three hundred ninety-four million, three hundred seventy-one thousand, three hundred ninety-four".