19422190369 has 4 divisors (see below), whose sum is σ = 19668040960. Its totient is φ = 19176339780.

The previous prime is 19422190363. The next prime is 19422190373. The reversal of 19422190369 is 96309122491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19422190369 - 2¹⁹ = 19421666081 is a prime.

It is a super-2 number, since 2×19422190369² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19422190363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122925177 + ... + 122925334.

It is an arithmetic number, because the mean of its divisors is an integer number (4917010240).

Almost surely, 2^19422190369 is an apocalyptic number.

It is an amenable number.

19422190369 is a deficient number, since it is larger than the sum of its proper divisors (245850591).

19422190369 is an equidigital number, since it uses as much as digits as its factorization.

19422190369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245850590.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 19422190369 in words is "nineteen billion, four hundred twenty-two million, one hundred ninety thousand, three hundred sixty-nine".