19217199396 has 24 divisors (see below), whose sum is σ = 45600135840. Its totient is φ = 6297161152.

The previous prime is 19217199383. The next prime is 19217199403. The reversal of 19217199396 is 69399171291.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13570761 + ... + 13572176.

It is an arithmetic number, because the mean of its divisors is an integer number (1900005660).

Almost surely, 2^19217199396 is an apocalyptic number.

It is an amenable number.

19217199396 is an abundant number, since it is smaller than the sum of its proper divisors (26382936444).

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

19217199396 is a wasteful number, since it uses less digits than its factorization.

19217199396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27143003 (or 27143001 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 57.

The spelling of 19217199396 in words is "nineteen billion, two hundred seventeen million, one hundred ninety-nine thousand, three hundred ninety-six".