5230138993 has 4 divisors (see below), whose sum is σ = 5242562548. Its totient is φ = 5217715440.

The previous prime is 5230138973. The next prime is 5230138999. The reversal of 5230138993 is 3998310325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1458705249 + 3771433744 = 38193^2 + 61412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5230138993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5230138999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6211146 + ... + 6211987.

It is an arithmetic number, because the mean of its divisors is an integer number (1310640637).

Almost surely, 2^5230138993 is an apocalyptic number.

It is an amenable number.

5230138993 is a deficient number, since it is larger than the sum of its proper divisors (12423555).

5230138993 is a wasteful number, since it uses less digits than its factorization.

5230138993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12423554.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 5230138993 is about 72319.6998956716. The cubic root of 5230138993 is about 1735.8188897375.

The spelling of 5230138993 in words is "five billion, two hundred thirty million, one hundred thirty-eight thousand, nine hundred ninety-three".