19339836990 has 32 divisors (see below), whose sum is σ = 49145940000. Its totient is φ = 4853919744.

The previous prime is 19339836959. The next prime is 19339837003. The reversal of 19339836990 is 9963893391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18960115 + ... + 18961134.

It is an arithmetic number, because the mean of its divisors is an integer number (1535810625).

Almost surely, 2^19339836990 is an apocalyptic number.

19339836990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19339836990 is an abundant number, since it is smaller than the sum of its proper divisors (29806103010).

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

19339836990 is a wasteful number, since it uses less digits than its factorization.

19339836990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37921276.

The product of its (nonzero) digits is 8503056, while the sum is 60.

The spelling of 19339836990 in words is "nineteen billion, three hundred thirty-nine million, eight hundred thirty-six thousand, nine hundred ninety".