709219991104 has 21 divisors (see below), whose sum is σ = 1407371789137. Its totient is φ = 354606626944.

The previous prime is 709219991093. The next prime is 709219991111. The reversal of 709219991104 is 401199912907.

The square root of 709219991104 is 842152.

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., 69987760704 + 639232230400 = 264552^2 + 799520^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6684582 + ... + 6789850.

Almost surely, 2^709219991104 is an apocalyptic number.

709219991104 is the 842152-nd square number.

It is an amenable number.

709219991104 is a deficient number, since it is larger than the sum of its proper divisors (698151798033).

709219991104 is an frugal number, since it uses more digits than its factorization.

709219991104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210550 (or 105271 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 52.

The spelling of 709219991104 in words is "seven hundred nine billion, two hundred nineteen million, nine hundred ninety-one thousand, one hundred four".