18872875747629 has 12 divisors (see below), whose sum is σ = 27541859912476. Its totient is φ = 12452206678272.

The previous prime is 18872875747619. The next prime is 18872875747643. The reversal of 18872875747629 is 92674757827881.

18872875747629 is a `hidden beast` number, since 1 + 8 + 8 + 72 + 8 + 7 + 57 + 476 + 29 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5873231075625 + 12999644672004 = 2423475^2 + 3605502^2 .

It is not a de Polignac number, because 18872875747629 - 2⁴ = 18872875747613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18872875747619) 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, 10809206314 + ... + 10809208059.

Almost surely, 2^{18872875747629} is an apocalyptic number.

It is an amenable number.

18872875747629 is a deficient number, since it is larger than the sum of its proper divisors (8668984164847).

18872875747629 is a wasteful number, since it uses less digits than its factorization.

18872875747629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21618414476 (or 21618414473 counting only the distinct ones).

The product of its digits is 5310627840, while the sum is 81.

The spelling of 18872875747629 in words is "eighteen trillion, eight hundred seventy-two billion, eight hundred seventy-five million, seven hundred forty-seven thousand, six hundred twenty-nine".