18463706708 has 6 divisors (see below), whose sum is σ = 32311486746. Its totient is φ = 9231853352.

The previous prime is 18463706687. The next prime is 18463706713. The reversal of 18463706708 is 80760736481.

It can be written as a sum of positive squares in only one way, i.e., 18141934864 + 321771844 = 134692^2 + 17938^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2307963335 + ... + 2307963342.

It is an arithmetic number, because the mean of its divisors is an integer number (5385247791).

Almost surely, 2^18463706708 is an apocalyptic number.

It is an amenable number.

18463706708 is a deficient number, since it is larger than the sum of its proper divisors (13847780038).

18463706708 is a wasteful number, since it uses less digits than its factorization.

18463706708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615926681 (or 4615926679 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 18463706708 in words is "eighteen billion, four hundred sixty-three million, seven hundred six thousand, seven hundred eight".