708053909 has 2 divisors, whose sum is σ = 708053910. Its totient is φ = 708053908.

The previous prime is 708053861. The next prime is 708053911. The reversal of 708053909 is 909350807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 660747025 + 47306884 = 25705^2 + 6878^2 .

It is a cyclic number.

It is not a de Polignac number, because 708053909 - 2²⁴ = 691276693 is a prime.

Together with 708053911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (708053939) 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, 354026954 + 354026955.

It is an arithmetic number, because the mean of its divisors is an integer number (354026955).

Almost surely, 2^708053909 is an apocalyptic number.

It is an amenable number.

708053909 is a deficient number, since it is larger than the sum of its proper divisors (1).

708053909 is an equidigital number, since it uses as much as digits as its factorization.

708053909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 708053909 is about 26609.2823841606. The cubic root of 708053909 is about 891.2963094328.

The spelling of 708053909 in words is "seven hundred eight million, fifty-three thousand, nine hundred nine".