39038998499 has 2 divisors, whose sum is σ = 39038998500. Its totient is φ = 39038998498.

The previous prime is 39038998447. The next prime is 39038998507. The reversal of 39038998499 is 99489983093.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39038998499 - 2¹⁶ = 39038932963 is a prime.

It is not a weakly prime, because it can be changed into another prime (39038998409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19519499249 + 19519499250.

It is an arithmetic number, because the mean of its divisors is an integer number (19519499250).

Almost surely, 2^39038998499 is an apocalyptic number.

39038998499 is a deficient number, since it is larger than the sum of its proper divisors (1).

39038998499 is an equidigital number, since it uses as much as digits as its factorization.

39038998499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136048896, while the sum is 71.

The spelling of 39038998499 in words is "thirty-nine billion, thirty-eight million, nine hundred ninety-eight thousand, four hundred ninety-nine".