19299116109 has 64 divisors (see below), whose sum is σ = 32573882880. Its totient is φ = 9891348480.

The previous prime is 19299116087. The next prime is 19299116119. The reversal of 19299116109 is 90161199291.

It is a happy number.

It is not a de Polignac number, because 19299116109 - 2⁹ = 19299115597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19299116119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2873247 + ... + 2879955.

It is an arithmetic number, because the mean of its divisors is an integer number (508966920).

Almost surely, 2^19299116109 is an apocalyptic number.

It is an amenable number.

19299116109 is a deficient number, since it is larger than the sum of its proper divisors (13274766771).

19299116109 is a wasteful number, since it uses less digits than its factorization.

19299116109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030.

The product of its (nonzero) digits is 78732, while the sum is 48.

The spelling of 19299116109 in words is "nineteen billion, two hundred ninety-nine million, one hundred sixteen thousand, one hundred nine".