1982812890790 has 32 divisors (see below), whose sum is σ = 3592037639520. Its totient is φ = 788020406784.

The previous prime is 1982812890769. The next prime is 1982812890827. The reversal of 1982812890790 is 970982182891.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30140974 + ... + 30206686.

It is an arithmetic number, because the mean of its divisors is an integer number (112251176235).

Almost surely, 2^{1982812890790} is an apocalyptic number.

1982812890790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1982812890790 is a deficient number, since it is larger than the sum of its proper divisors (1609224748730).

1982812890790 is a wasteful number, since it uses less digits than its factorization.

1982812890790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85096.

The product of its (nonzero) digits is 10450944, while the sum is 64.

The spelling of 1982812890790 in words is "one trillion, nine hundred eighty-two billion, eight hundred twelve million, eight hundred ninety thousand, seven hundred ninety".