18975062500 has 189 divisors, whose sum is σ = 45369673167. Its totient is φ = 6942600000.

The previous prime is 18975062479. The next prime is 18975062591. The reversal of 18975062500 is 526057981.

The square root of 18975062500 is 137750.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 10 ways, for example, as 16079761636 + 2895300864 = 126806^2 + 53808^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 654312486 + ... + 654312514.

Almost surely, 2^18975062500 is an apocalyptic number.

18975062500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18975062500 is the 137750-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18975062500

18975062500 is an abundant number, since it is smaller than the sum of its proper divisors (26394610667).

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

18975062500 is an frugal number, since it uses more digits than its factorization.

18975062500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 18975062500 in words is "eighteen billion, nine hundred seventy-five million, sixty-two thousand, five hundred".