709648013 has 2 divisors, whose sum is σ = 709648014. Its totient is φ = 709648012.

The previous prime is 709647989. The next prime is 709648031. The reversal of 709648013 is 310846907.

709648013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (709648031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 507240484 + 202407529 = 22522^2 + 14227^2 .

It is a cyclic number.

It is not a de Polignac number, because 709648013 - 2¹⁶ = 709582477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (709648813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354824006 + 354824007.

It is an arithmetic number, because the mean of its divisors is an integer number (354824007).

Almost surely, 2^709648013 is an apocalyptic number.

It is an amenable number.

709648013 is a deficient number, since it is larger than the sum of its proper divisors (1).

709648013 is an equidigital number, since it uses as much as digits as its factorization.

709648013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 709648013 is about 26639.2194517782. The cubic root of 709648013 is about 891.9646926609.

The spelling of 709648013 in words is "seven hundred nine million, six hundred forty-eight thousand, thirteen".