19052206890 has 64 divisors (see below), whose sum is σ = 46184515200. Its totient is φ = 5029818624.

The previous prime is 19052206861. The next prime is 19052206891. The reversal of 19052206890 is 9860225091.

It is not an unprimeable number, because it can be changed into a prime (19052206891) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1221984 + ... + 1237476.

It is an arithmetic number, because the mean of its divisors is an integer number (721633050).

Almost surely, 2^19052206890 is an apocalyptic number.

19052206890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19052206890 is an abundant number, since it is smaller than the sum of its proper divisors (27132308310).

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

19052206890 is a wasteful number, since it uses less digits than its factorization.

19052206890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15911.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 19052206890 in words is "nineteen billion, fifty-two million, two hundred six thousand, eight hundred ninety".