19036139339 has 4 divisors (see below), whose sum is σ = 21755587824. Its totient is φ = 16316690856.

The previous prime is 19036139333. The next prime is 19036139401. The reversal of 19036139339 is 93393163091.

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

It is a cyclic number.

It is not a de Polignac number, because 19036139339 - 2¹² = 19036135243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19036139293 and 19036139302.

It is not an unprimeable number, because it can be changed into a prime (19036139333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1359724232 + ... + 1359724245.

It is an arithmetic number, because the mean of its divisors is an integer number (5438896956).

Almost surely, 2^19036139339 is an apocalyptic number.

19036139339 is a deficient number, since it is larger than the sum of its proper divisors (2719448485).

19036139339 is an equidigital number, since it uses as much as digits as its factorization.

19036139339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719448484.

The product of its (nonzero) digits is 354294, while the sum is 47.

The spelling of 19036139339 in words is "nineteen billion, thirty-six million, one hundred thirty-nine thousand, three hundred thirty-nine".