1990813534324 has 48 divisors (see below), whose sum is σ = 3713512594176. Its totient is φ = 931865580800.

The previous prime is 1990813534273. The next prime is 1990813534337. The reversal of 1990813534324 is 4234353180991.

It is a super-2 number, since 2×1990813534324² (a number of 25 digits) contains 22 as substring.

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, 217447 + ... + 2007214.

It is an arithmetic number, because the mean of its divisors is an integer number (77364845712).

Almost surely, 2^{1990813534324} is an apocalyptic number.

It is an amenable number.

1990813534324 is a deficient number, since it is larger than the sum of its proper divisors (1722699059852).

1990813534324 is a wasteful number, since it uses less digits than its factorization.

1990813534324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224896 (or 2224894 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 1990813534324 in words is "one trillion, nine hundred ninety billion, eight hundred thirteen million, five hundred thirty-four thousand, three hundred twenty-four".