19137327913 has 8 divisors (see below), whose sum is σ = 20901286656. Its totient is φ = 17377402800.

The previous prime is 19137327901. The next prime is 19137327919. The reversal of 19137327913 is 31972373191.

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 19137327913 - 2²¹ = 19135230761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19137327919) 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, 998478 + ... + 1017463.

It is an arithmetic number, because the mean of its divisors is an integer number (2612660832).

Almost surely, 2^19137327913 is an apocalyptic number.

It is an amenable number.

19137327913 is a deficient number, since it is larger than the sum of its proper divisors (1763958743).

19137327913 is a wasteful number, since it uses less digits than its factorization.

19137327913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016815.

The product of its digits is 214326, while the sum is 46.

The spelling of 19137327913 in words is "nineteen billion, one hundred thirty-seven million, three hundred twenty-seven thousand, nine hundred thirteen".