19085906910 has 32 divisors (see below), whose sum is σ = 52349916672. Its totient is φ = 4362492960.

The previous prime is 19085906899. The next prime is 19085906929. The reversal of 19085906910 is 1960958091.

It is a self number, because there is not a number n which added to its sum of digits gives 19085906910.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45442426 + ... + 45442845.

It is an arithmetic number, because the mean of its divisors is an integer number (1635934896).

Almost surely, 2^19085906910 is an apocalyptic number.

19085906910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19085906910 is an abundant number, since it is smaller than the sum of its proper divisors (33264009762).

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

19085906910 is a wasteful number, since it uses less digits than its factorization.

19085906910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90885288.

The product of its (nonzero) digits is 174960, while the sum is 48.

The spelling of 19085906910 in words is "nineteen billion, eighty-five million, nine hundred six thousand, nine hundred ten".