19416136899 has 8 divisors (see below), whose sum is σ = 26077147920. Its totient is φ = 12849608576.

The previous prime is 19416136891. The next prime is 19416136903. The reversal of 19416136899 is 99863161491.

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

It is a cyclic number.

It is not a de Polignac number, because 19416136899 - 2³ = 19416136891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19416136891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23620194 + ... + 23621015.

It is an arithmetic number, because the mean of its divisors is an integer number (3259643490).

Almost surely, 2^19416136899 is an apocalyptic number.

19416136899 is a deficient number, since it is larger than the sum of its proper divisors (6661011021).

19416136899 is a wasteful number, since it uses less digits than its factorization.

19416136899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47241349.

The product of its digits is 2519424, while the sum is 57.

The spelling of 19416136899 in words is "nineteen billion, four hundred sixteen million, one hundred thirty-six thousand, eight hundred ninety-nine".