38490603139 has 2 divisors, whose sum is σ = 38490603140. Its totient is φ = 38490603138.

The previous prime is 38490603113. The next prime is 38490603163. The reversal of 38490603139 is 93130609483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38490603139 - 2⁹ = 38490602627 is a prime.

It is not a weakly prime, because it can be changed into another prime (38490603169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19245301569 + 19245301570.

It is an arithmetic number, because the mean of its divisors is an integer number (19245301570).

Almost surely, 2^38490603139 is an apocalyptic number.

38490603139 is a deficient number, since it is larger than the sum of its proper divisors (1).

38490603139 is an equidigital number, since it uses as much as digits as its factorization.

38490603139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 38490603139 in words is "thirty-eight billion, four hundred ninety million, six hundred three thousand, one hundred thirty-nine".