18747486306 has 48 divisors (see below), whose sum is σ = 40861249728. Its totient is φ = 6212052000.

The previous prime is 18747486293. The next prime is 18747486311. The reversal of 18747486306 is 60368474781.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3784131 + ... + 3789081.

It is an arithmetic number, because the mean of its divisors is an integer number (851276036).

Almost surely, 2^18747486306 is an apocalyptic number.

18747486306 is an abundant number, since it is smaller than the sum of its proper divisors (22113763422).

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

18747486306 is a wasteful number, since it uses less digits than its factorization.

18747486306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167 (or 6164 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 18747486306 in words is "eighteen billion, seven hundred forty-seven million, four hundred eighty-six thousand, three hundred six".