1983372890919 has 64 divisors (see below), whose sum is σ = 3271501578240. Its totient is φ = 1044249972480.

The previous prime is 1983372890909. The next prime is 1983372890957. The reversal of 1983372890919 is 9190982733891.

It is not a de Polignac number, because 1983372890919 - 2⁷ = 1983372890791 is a prime.

It is a super-2 number, since 2×1983372890919² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983372890909) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 930544 + ... + 2198330.

It is an arithmetic number, because the mean of its divisors is an integer number (51117212160).

Almost surely, 2^{1983372890919} is an apocalyptic number.

1983372890919 is a deficient number, since it is larger than the sum of its proper divisors (1288128687321).

1983372890919 is a wasteful number, since it uses less digits than its factorization.

1983372890919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267940.

The product of its (nonzero) digits is 52907904, while the sum is 69.

The spelling of 1983372890919 in words is "one trillion, nine hundred eighty-three billion, three hundred seventy-two million, eight hundred ninety thousand, nine hundred nineteen".