709433913841 has 3 divisors (see below), whose sum is σ = 709434756121. Its totient is φ = 709433071562.

The previous prime is 709433913823. The next prime is 709433913847. The reversal of 709433913841 is 148319334907.

The square root of 709433913841 is 842279.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 148319334907 = 71 ⋅2089004717.

It is not a de Polignac number, because 709433913841 - 2⁵ = 709433913809 is a prime.

It is a super-2 number, since 2×709433913841² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (709433913847) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 421140 + ... + 1263418.

Almost surely, 2^709433913841 is an apocalyptic number.

709433913841 is the 842279-th square number.

709433913841 is the 421140-th centered octagonal number.

It is an amenable number.

709433913841 is a deficient number, since it is larger than the sum of its proper divisors (842280).

709433913841 is an frugal number, since it uses more digits than its factorization.

709433913841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684558 (or 842279 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 709433913841 in words is "seven hundred nine billion, four hundred thirty-three million, nine hundred thirteen thousand, eight hundred forty-one".