19213198000 has 40 divisors (see below), whose sum is σ = 46457517600. Its totient is φ = 7685278400.

The previous prime is 19213197973. The next prime is 19213198021. The reversal of 19213198000 is 89131291.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4801300 + ... + 4805299.

It is an arithmetic number, because the mean of its divisors is an integer number (1161437940).

Almost surely, 2^19213198000 is an apocalyptic number.

19213198000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19213198000 is an abundant number, since it is smaller than the sum of its proper divisors (27244319600).

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

19213198000 is an equidigital number, since it uses as much as digits as its factorization.

19213198000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9606622 (or 9606606 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 19213198000 in words is "nineteen billion, two hundred thirteen million, one hundred ninety-eight thousand".