709639412 has 6 divisors (see below), whose sum is σ = 1241868978. Its totient is φ = 354819704.

The previous prime is 709639397. The next prime is 709639423. The reversal of 709639412 is 214936907.

709639412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 707347216 + 2292196 = 26596^2 + 1514^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 709639412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88704923 + ... + 88704930.

It is an arithmetic number, because the mean of its divisors is an integer number (206978163).

Almost surely, 2^709639412 is an apocalyptic number.

It is an amenable number.

709639412 is a deficient number, since it is larger than the sum of its proper divisors (532229566).

709639412 is a wasteful number, since it uses less digits than its factorization.

709639412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177409857 (or 177409855 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 709639412 is about 26639.0580163789. The cubic root of 709639412 is about 891.9610890813.

The spelling of 709639412 in words is "seven hundred nine million, six hundred thirty-nine thousand, four hundred twelve".