1983372890918 has 16 divisors (see below), whose sum is σ = 3035110778640. Its totient is φ = 971866511616.

The previous prime is 1983372890909. The next prime is 1983372890957. The reversal of 1983372890918 is 8190982733891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49283180 + ... + 49323407.

It is an arithmetic number, because the mean of its divisors is an integer number (189694423665).

Almost surely, 2^{1983372890918} is an apocalyptic number.

1983372890918 is a deficient number, since it is larger than the sum of its proper divisors (1051737887722).

1983372890918 is a wasteful number, since it uses less digits than its factorization.

1983372890918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98606791.

The product of its (nonzero) digits is 47029248, while the sum is 68.

The spelling of 1983372890918 in words is "one trillion, nine hundred eighty-three billion, three hundred seventy-two million, eight hundred ninety thousand, nine hundred eighteen".