19127992339 has 2 divisors, whose sum is σ = 19127992340. Its totient is φ = 19127992338.

The previous prime is 19127992313. The next prime is 19127992369. The reversal of 19127992339 is 93329972191.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19127992339 - 2¹¹ = 19127990291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19127992339.

It is not a weakly prime, because it can be changed into another prime (19127992369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9563996169 + 9563996170.

It is an arithmetic number, because the mean of its divisors is an integer number (9563996170).

Almost surely, 2^19127992339 is an apocalyptic number.

19127992339 is a deficient number, since it is larger than the sum of its proper divisors (1).

19127992339 is an equidigital number, since it uses as much as digits as its factorization.

19127992339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1653372, while the sum is 55.

The spelling of 19127992339 in words is "nineteen billion, one hundred twenty-seven million, nine hundred ninety-two thousand, three hundred thirty-nine".