18486682351 has 12 divisors (see below), whose sum is σ = 19653710200. Its totient is φ = 17385402240.

The previous prime is 18486682343. The next prime is 18486682381. The reversal of 18486682351 is 15328668481.

It is a happy number.

It is not a de Polignac number, because 18486682351 - 2³ = 18486682343 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18486682381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348325 + ... + 397873.

Almost surely, 2^18486682351 is an apocalyptic number.

18486682351 is a deficient number, since it is larger than the sum of its proper divisors (1167027849).

18486682351 is a wasteful number, since it uses less digits than its factorization.

18486682351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50874 (or 50857 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 52.

The spelling of 18486682351 in words is "eighteen billion, four hundred eighty-six million, six hundred eighty-two thousand, three hundred fifty-one".