18039469339 has 2 divisors, whose sum is σ = 18039469340. Its totient is φ = 18039469338.

The previous prime is 18039469291. The next prime is 18039469361. The reversal of 18039469339 is 93396493081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18039469339 - 2¹⁹ = 18038945051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18039469339.

It is not a weakly prime, because it can be changed into another prime (18039469639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9019734669 + 9019734670.

It is an arithmetic number, because the mean of its divisors is an integer number (9019734670).

Almost surely, 2^18039469339 is an apocalyptic number.

18039469339 is a deficient number, since it is larger than the sum of its proper divisors (1).

18039469339 is an equidigital number, since it uses as much as digits as its factorization.

18039469339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3779136, while the sum is 55.

The spelling of 18039469339 in words is "eighteen billion, thirty-nine million, four hundred sixty-nine thousand, three hundred thirty-nine".