19413133693 has 16 divisors (see below), whose sum is σ = 20815378560. Its totient is φ = 18057923136.

The previous prime is 19413133667. The next prime is 19413133709. The reversal of 19413133693 is 39633131491.

It is a cyclic number.

It is not a de Polignac number, because 19413133693 - 2⁵ = 19413133661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19413133643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2087971 + ... + 2097247.

It is an arithmetic number, because the mean of its divisors is an integer number (1300961160).

Almost surely, 2^19413133693 is an apocalyptic number.

It is an amenable number.

19413133693 is a deficient number, since it is larger than the sum of its proper divisors (1402244867).

19413133693 is a wasteful number, since it uses less digits than its factorization.

19413133693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11796.

The product of its digits is 157464, while the sum is 43.

The spelling of 19413133693 in words is "nineteen billion, four hundred thirteen million, one hundred thirty-three thousand, six hundred ninety-three".