18942468725 has 12 divisors (see below), whose sum is σ = 23491504260. Its totient is φ = 15152140800.

The previous prime is 18942468707. The next prime is 18942468757. The reversal of 18942468725 is 52786424981.

It can be written as a sum of positive squares in 6 ways, for example, as 777628996 + 18164839729 = 27886^2 + 134777^2 .

It is not a de Polignac number, because 18942468725 - 2¹⁶ = 18942403189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188261 + ... + 270789.

It is an arithmetic number, because the mean of its divisors is an integer number (1957625355).

Almost surely, 2^18942468725 is an apocalyptic number.

It is an amenable number.

18942468725 is a deficient number, since it is larger than the sum of its proper divisors (4549035535).

18942468725 is an equidigital number, since it uses as much as digits as its factorization.

18942468725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91720 (or 91715 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 56.

The spelling of 18942468725 in words is "eighteen billion, nine hundred forty-two million, four hundred sixty-eight thousand, seven hundred twenty-five".