19100092990 has 32 divisors (see below), whose sum is σ = 37626301440. Its totient is φ = 6923143200.

The previous prime is 19100092967. The next prime is 19100092997. The reversal of 19100092990 is 9929000191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19100092997) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 244950 + ... + 313369.

It is an arithmetic number, because the mean of its divisors is an integer number (1175821920).

Almost surely, 2^19100092990 is an apocalyptic number.

19100092990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19100092990 is a deficient number, since it is larger than the sum of its proper divisors (18526208450).

19100092990 is a wasteful number, since it uses less digits than its factorization.

19100092990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558648.

The product of its (nonzero) digits is 13122, while the sum is 40.

The spelling of 19100092990 in words is "nineteen billion, one hundred million, ninety-two thousand, nine hundred ninety".