1933982891925 has 72 divisors (see below), whose sum is σ = 3881910904896. Its totient is φ = 832100136960.

The previous prime is 1933982891887. The next prime is 1933982891927. The reversal of 1933982891925 is 5291982893391.

It is not a de Polignac number, because 1933982891925 - 2²² = 1933978697621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1933982891925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1933982891927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6221592 + ... + 6525041.

Almost surely, 2^{1933982891925} is an apocalyptic number.

1933982891925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1933982891925 is an abundant number, since it is smaller than the sum of its proper divisors (1947928012971).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1933982891925 is a wasteful number, since it uses less digits than its factorization.

1933982891925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12746687 (or 12746665 counting only the distinct ones).

The product of its digits is 75582720, while the sum is 69.

The spelling of 1933982891925 in words is "one trillion, nine hundred thirty-three billion, nine hundred eighty-two million, eight hundred ninety-one thousand, nine hundred twenty-five".