19696269691 has 8 divisors (see below), whose sum is σ = 22511293920. Its totient is φ = 16881563328.

The previous prime is 19696269667. The next prime is 19696269701.

19696269691 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 19696269691 - 2⁷ = 19696269563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19696269641) 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, 72765 + ... + 211393.

It is an arithmetic number, because the mean of its divisors is an integer number (2813911740).

Almost surely, 2^19696269691 is an apocalyptic number.

19696269691 is a deficient number, since it is larger than the sum of its proper divisors (2815024229).

19696269691 is a wasteful number, since it uses less digits than its factorization.

19696269691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158933.

The product of its digits is 17006112, while the sum is 64.

The spelling of 19696269691 in words is "nineteen billion, six hundred ninety-six million, two hundred sixty-nine thousand, six hundred ninety-one".