18708485372 has 6 divisors (see below), whose sum is σ = 32739849408. Its totient is φ = 9354242684.

The previous prime is 18708485371. The next prime is 18708485401. The reversal of 18708485372 is 27358480781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18708485371) 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 as a sum of consecutive naturals, namely, 2338560668 + ... + 2338560675.

It is an arithmetic number, because the mean of its divisors is an integer number (5456641568).

Almost surely, 2^18708485372 is an apocalyptic number.

It is an amenable number.

18708485372 is a deficient number, since it is larger than the sum of its proper divisors (14031364036).

18708485372 is a wasteful number, since it uses less digits than its factorization.

18708485372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4677121347 (or 4677121345 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 53.

The spelling of 18708485372 in words is "eighteen billion, seven hundred eight million, four hundred eighty-five thousand, three hundred seventy-two".