18494785946876 has 12 divisors (see below), whose sum is σ = 32535330253440. Its totient is φ = 9198977303040.

The previous prime is 18494785946873. The next prime is 18494785946957. The reversal of 18494785946876 is 67864958749481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18494785946873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12103916741 + ... + 12103918268.

It is an arithmetic number, because the mean of its divisors is an integer number (2711277521120).

Almost surely, 2^{18494785946876} is an apocalyptic number.

It is an amenable number.

18494785946876 is a deficient number, since it is larger than the sum of its proper divisors (14040544306564).

18494785946876 is a wasteful number, since it uses less digits than its factorization.

18494785946876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24207835204 (or 24207835202 counting only the distinct ones).

The product of its digits is 23410114560, while the sum is 86.

The spelling of 18494785946876 in words is "eighteen trillion, four hundred ninety-four billion, seven hundred eighty-five million, nine hundred forty-six thousand, eight hundred seventy-six".