5003665813 has 2 divisors, whose sum is σ = 5003665814. Its totient is φ = 5003665812.

The previous prime is 5003665787. The next prime is 5003665841. The reversal of 5003665813 is 3185663005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4990292164 + 13373649 = 70642^2 + 3657^2 .

It is a cyclic number.

It is not a de Polignac number, because 5003665813 - 2⁵ = 5003665781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5003665883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501832906 + 2501832907.

It is an arithmetic number, because the mean of its divisors is an integer number (2501832907).

Almost surely, 2^5003665813 is an apocalyptic number.

It is an amenable number.

5003665813 is a deficient number, since it is larger than the sum of its proper divisors (1).

5003665813 is an equidigital number, since it uses as much as digits as its factorization.

5003665813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 5003665813 is about 70736.5945815884. The cubic root of 5003665813 is about 1710.3937413932.

The spelling of 5003665813 in words is "five billion, three million, six hundred sixty-five thousand, eight hundred thirteen".