5019903389 has 2 divisors, whose sum is σ = 5019903390. Its totient is φ = 5019903388.

The previous prime is 5019903359. The next prime is 5019903391. The reversal of 5019903389 is 9833099105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3780159289 + 1239744100 = 61483^2 + 35210^2 .

It is a cyclic number.

It is not a de Polignac number, because 5019903389 - 2²⁸ = 4751467933 is a prime.

Together with 5019903391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5019903319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2509951694 + 2509951695.

It is an arithmetic number, because the mean of its divisors is an integer number (2509951695).

Almost surely, 2^5019903389 is an apocalyptic number.

It is an amenable number.

5019903389 is a deficient number, since it is larger than the sum of its proper divisors (1).

5019903389 is an equidigital number, since it uses as much as digits as its factorization.

5019903389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 5019903389 is about 70851.2765516614. The cubic root of 5019903389 is about 1712.2418970881.

The spelling of 5019903389 in words is "five billion, nineteen million, nine hundred three thousand, three hundred eighty-nine".