19299116137 has 6 divisors (see below), whose sum is σ = 22449992298. Its totient is φ = 16542099504.

The previous prime is 19299116119. The next prime is 19299116143. The reversal of 19299116137 is 73161199291.

19299116137 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in only one way, i.e., 19138232281 + 160883856 = 138341^2 + 12684^2 .

It is a de Polignac number, because none of the positive numbers 2^k-19299116137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 393859513 = 19299116137 / (1 + 9 + 2 + 9 + 9 + 1 + 1 + 6 + 1 + 3 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19299116147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196929708 + ... + 196929805.

It is an arithmetic number, because the mean of its divisors is an integer number (3741665383).

Almost surely, 2^19299116137 is an apocalyptic number.

It is an amenable number.

19299116137 is a deficient number, since it is larger than the sum of its proper divisors (3150876161).

19299116137 is an equidigital number, since it uses as much as digits as its factorization.

19299116137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393859527 (or 393859520 counting only the distinct ones).

The product of its digits is 183708, while the sum is 49.

The spelling of 19299116137 in words is "nineteen billion, two hundred ninety-nine million, one hundred sixteen thousand, one hundred thirty-seven".