8939138603 has 2 divisors, whose sum is σ = 8939138604. Its totient is φ = 8939138602.

The previous prime is 8939138581. The next prime is 8939138609. The reversal of 8939138603 is 3068319398.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8939138603 - 2¹⁴ = 8939122219 is a prime.

It is not a weakly prime, because it can be changed into another prime (8939138609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4469569301 + 4469569302.

It is an arithmetic number, because the mean of its divisors is an integer number (4469569302).

Almost surely, 2^8939138603 is an apocalyptic number.

8939138603 is a deficient number, since it is larger than the sum of its proper divisors (1).

8939138603 is an equidigital number, since it uses as much as digits as its factorization.

8939138603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 8939138603 is about 94547.0179487434. The cubic root of 8939138603 is about 2075.3844434438.

The spelling of 8939138603 in words is "eight billion, nine hundred thirty-nine million, one hundred thirty-eight thousand, six hundred three".