5000185913 has 2 divisors, whose sum is σ = 5000185914. Its totient is φ = 5000185912.

The previous prime is 5000185871. The next prime is 5000185963. The reversal of 5000185913 is 3195810005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2816212624 + 2183973289 = 53068^2 + 46733^2 .

It is a cyclic number.

It is not a de Polignac number, because 5000185913 - 2¹² = 5000181817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5000185913.

It is not a weakly prime, because it can be changed into another prime (5000185963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500092956 + 2500092957.

It is an arithmetic number, because the mean of its divisors is an integer number (2500092957).

Almost surely, 2^5000185913 is an apocalyptic number.

It is an amenable number.

5000185913 is a deficient number, since it is larger than the sum of its proper divisors (1).

5000185913 is an equidigital number, since it uses as much as digits as its factorization.

5000185913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 5000185913 is about 70711.9927098650. The cubic root of 5000185913 is about 1709.9971401979.

Adding to 5000185913 its reverse (3195810005), we get a palindrome (8195995918).

The spelling of 5000185913 in words is "five billion, one hundred eighty-five thousand, nine hundred thirteen".