18682463298 has 16 divisors (see below), whose sum is σ = 39331501920. Its totient is φ = 5899725216.

The previous prime is 18682463297. The next prime is 18682463323. The reversal of 18682463298 is 89236428681.

It is a happy number.

It is a super-2 number, since 2×18682463298² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (18682463291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81940515 + ... + 81940742.

It is an arithmetic number, because the mean of its divisors is an integer number (2458218870).

Almost surely, 2^18682463298 is an apocalyptic number.

18682463298 is an abundant number, since it is smaller than the sum of its proper divisors (20649038622).

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

18682463298 is a wasteful number, since it uses less digits than its factorization.

18682463298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163881281.

The product of its digits is 7962624, while the sum is 57.

The spelling of 18682463298 in words is "eighteen billion, six hundred eighty-two million, four hundred sixty-three thousand, two hundred ninety-eight".