18481858704 has 45 divisors (see below), whose sum is σ = 51728101113. Its totient is φ = 6160075776.

The previous prime is 18481858697. The next prime is 18481858709. The reversal of 18481858704 is 40785818481.

The square root of 18481858704 is 135948.

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

18481858704 is a `hidden beast` number, since 1 + 8 + 48 + 18 + 587 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6504745104 + 11977113600 = 80652^2 + 109440^2 .

It is not an unprimeable number, because it can be changed into a prime (18481858709) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1625712 + ... + 1637040.

Almost surely, 2^18481858704 is an apocalyptic number.

18481858704 is the 135948-th square number.

It is an amenable number.

18481858704 is an abundant number, since it is smaller than the sum of its proper divisors (33246242409).

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

18481858704 is an frugal number, since it uses more digits than its factorization.

18481858704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22672 (or 11334 counting only the distinct ones).

The product of its (nonzero) digits is 2293760, while the sum is 54.

The spelling of 18481858704 in words is "eighteen billion, four hundred eighty-one million, eight hundred fifty-eight thousand, seven hundred four".