18981273736082 has 32 divisors (see below), whose sum is σ = 34782228036864. Its totient is φ = 7591359283200.

The previous prime is 18981273735997. The next prime is 18981273736163. The reversal of 18981273736082 is 28063737218981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718865519 + ... + 718891922.

It is an arithmetic number, because the mean of its divisors is an integer number (1086944626152).

Almost surely, 2^{18981273736082} is an apocalyptic number.

18981273736082 is a deficient number, since it is larger than the sum of its proper divisors (15800954300782).

18981273736082 is a wasteful number, since it uses less digits than its factorization.

18981273736082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437757514.

The product of its (nonzero) digits is 48771072, while the sum is 65.

The spelling of 18981273736082 in words is "eighteen trillion, nine hundred eighty-one billion, two hundred seventy-three million, seven hundred thirty-six thousand, eighty-two".