1931982434898 has 64 divisors (see below), whose sum is σ = 4052135808000. Its totient is φ = 613267753280.

The previous prime is 1931982434887. The next prime is 1931982434903. The reversal of 1931982434898 is 8984342891391.

It is a super-2 number, since 2×1931982434898² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 8539093 + ... + 8762423.

It is an arithmetic number, because the mean of its divisors is an integer number (63314622000).

Almost surely, 2^{1931982434898} is an apocalyptic number.

1931982434898 is an abundant number, since it is smaller than the sum of its proper divisors (2120153373102).

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

1931982434898 is a wasteful number, since it uses less digits than its factorization.

1931982434898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224047.

The product of its digits is 107495424, while the sum is 69.

The spelling of 1931982434898 in words is "one trillion, nine hundred thirty-one billion, nine hundred eighty-two million, four hundred thirty-four thousand, eight hundred ninety-eight".