839223013 has 2 divisors, whose sum is σ = 839223014. Its totient is φ = 839223012.

The previous prime is 839222987. The next prime is 839223017. The reversal of 839223013 is 310322938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 827540289 + 11682724 = 28767^2 + 3418^2 .

It is a cyclic number.

It is not a de Polignac number, because 839223013 - 2²⁵ = 805668581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (839223017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419611506 + 419611507.

It is an arithmetic number, because the mean of its divisors is an integer number (419611507).

Almost surely, 2^839223013 is an apocalyptic number.

It is an amenable number.

839223013 is a deficient number, since it is larger than the sum of its proper divisors (1).

839223013 is an equidigital number, since it uses as much as digits as its factorization.

839223013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 839223013 is about 28969.3460920332. The cubic root of 839223013 is about 943.2477867238.

The spelling of 839223013 in words is "eight hundred thirty-nine million, two hundred twenty-three thousand, thirteen".