18868750630 has 16 divisors (see below), whose sum is σ = 34792136064. Its totient is φ = 7363414720.

The previous prime is 18868750627. The next prime is 18868750631. The reversal of 18868750630 is 3605786881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18868750631) 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, 23010262 + ... + 23011081.

It is an arithmetic number, because the mean of its divisors is an integer number (2174508504).

Almost surely, 2^18868750630 is an apocalyptic number.

18868750630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18868750630 is a deficient number, since it is larger than the sum of its proper divisors (15923385434).

18868750630 is a wasteful number, since it uses less digits than its factorization.

18868750630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46021391.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 18868750630 in words is "eighteen billion, eight hundred sixty-eight million, seven hundred fifty thousand, six hundred thirty".