19137324713 has 4 divisors (see below), whose sum is σ = 20609426628. Its totient is φ = 17665222800.

The previous prime is 19137324683. The next prime is 19137324737. The reversal of 19137324713 is 31742373191.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11704643344 + 7432681369 = 108188^2 + 86213^2 .

It is a cyclic number.

It is not a de Polignac number, because 19137324713 - 2³² = 14842357417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19137324013) 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 3 ways as a sum of consecutive naturals, for example, 736050938 + ... + 736050963.

It is an arithmetic number, because the mean of its divisors is an integer number (5152356657).

Almost surely, 2^19137324713 is an apocalyptic number.

19137324713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19137324713 is a deficient number, since it is larger than the sum of its proper divisors (1472101915).

19137324713 is a wasteful number, since it uses less digits than its factorization.

19137324713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472101914.

The product of its digits is 95256, while the sum is 41.

The spelling of 19137324713 in words is "nineteen billion, one hundred thirty-seven million, three hundred twenty-four thousand, seven hundred thirteen".