19426136195 has 8 divisors (see below), whose sum is σ = 23314925040. Its totient is φ = 15538534560.

The previous prime is 19426136183. The next prime is 19426136203. The reversal of 19426136195 is 59163162491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19426136195 - 2⁴ = 19426136179 is a prime.

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, 260396 + ... + 326585.

It is an arithmetic number, because the mean of its divisors is an integer number (2914365630).

Almost surely, 2^19426136195 is an apocalyptic number.

19426136195 is a deficient number, since it is larger than the sum of its proper divisors (3888788845).

19426136195 is an equidigital number, since it uses as much as digits as its factorization.

19426136195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593605.

The product of its digits is 349920, while the sum is 47.

The spelling of 19426136195 in words is "nineteen billion, four hundred twenty-six million, one hundred thirty-six thousand, one hundred ninety-five".