19699111089 has 16 divisors (see below), whose sum is σ = 33352992640. Its totient is φ = 11256634800.

The previous prime is 19699111087. The next prime is 19699111111. The reversal of 19699111089 is 98011199691.

It is not a de Polignac number, because 19699111089 - 2¹ = 19699111087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19699111087) 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, 52113862 + ... + 52114239.

It is an arithmetic number, because the mean of its divisors is an integer number (2084562040).

Almost surely, 2^19699111089 is an apocalyptic number.

It is an amenable number.

19699111089 is a deficient number, since it is larger than the sum of its proper divisors (13653881551).

19699111089 is a wasteful number, since it uses less digits than its factorization.

19699111089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104228117 (or 104228111 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 54.

The spelling of 19699111089 in words is "nineteen billion, six hundred ninety-nine million, one hundred eleven thousand, eighty-nine".