19079118137 has 8 divisors (see below), whose sum is σ = 19155935496. Its totient is φ = 19002402432.

The previous prime is 19079118127. The next prime is 19079118181. The reversal of 19079118137 is 73181197091.

It can be written as a sum of positive squares in 4 ways, for example, as 1640331001 + 17438787136 = 40501^2 + 132056^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 19079118137 - 2⁶ = 19079118073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19079118091 and 19079118100.

It is not an unprimeable number, because it can be changed into a prime (19079118127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362543 + ... + 411819.

It is an arithmetic number, because the mean of its divisors is an integer number (2394491937).

Almost surely, 2^19079118137 is an apocalyptic number.

It is an amenable number.

19079118137 is a deficient number, since it is larger than the sum of its proper divisors (76817359).

19079118137 is a wasteful number, since it uses less digits than its factorization.

19079118137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50827.

The product of its (nonzero) digits is 95256, while the sum is 47.

The spelling of 19079118137 in words is "nineteen billion, seventy-nine million, one hundred eighteen thousand, one hundred thirty-seven".