18697984300 has 18 divisors (see below), whose sum is σ = 40574626148. Its totient is φ = 7479193680.

The previous prime is 18697984267. The next prime is 18697984301. The reversal of 18697984300 is 348979681.

It is a super-2 number, since 2×18697984300² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18697984301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93489822 + ... + 93490021.

Almost surely, 2^18697984300 is an apocalyptic number.

18697984300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18697984300 is an abundant number, since it is smaller than the sum of its proper divisors (21876641848).

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

18697984300 is a wasteful number, since it uses less digits than its factorization.

18697984300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186979857 (or 186979850 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 18697984300 in words is "eighteen billion, six hundred ninety-seven million, nine hundred eighty-four thousand, three hundred".