709108831396 has 27 divisors (see below), whose sum is σ = 1443566978049. Its totient is φ = 303898732368.

The previous prime is 709108831373. The next prime is 709108831421. The reversal of 709108831396 is 693138801907.

The square root of 709108831396 is 842086.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 204497501796 + 504611329600 = 452214^2 + 710360^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11759130 + ... + 11819278.

Almost surely, 2^709108831396 is an apocalyptic number.

709108831396 is the 842086-th square number.

It is an amenable number.

709108831396 is an abundant number, since it is smaller than the sum of its proper divisors (734458146653).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

709108831396 is an frugal number, since it uses more digits than its factorization.

709108831396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120316 (or 60158 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 709108831396 in words is "seven hundred nine billion, one hundred eight million, eight hundred thirty-one thousand, three hundred ninety-six".