709774235361 has 33 divisors (see below), whose sum is σ = 1064962514161. Its totient is φ = 473046341652.

The previous prime is 709774235333. The next prime is 709774235393. The reversal of 709774235361 is 163532477907.

The square root of 709774235361 is 842481.

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

709774235361 is a `hidden beast` number, since 70 + 97 + 7 + 423 + 5 + 3 + 61 = 666.

709774235361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 709774235361 - 2⁵ = 709774235329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 709774235298 and 709774235307.

It is not an unprimeable number, because it can be changed into a prime (709774255361) by changing a digit.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 204721150 + ... + 204724616.

Almost surely, 2^709774235361 is an apocalyptic number.

709774235361 is the 842481-st square number.

709774235361 is the 421241-st centered octagonal number.

It is an amenable number.

709774235361 is a deficient number, since it is larger than the sum of its proper divisors (355188278800).

709774235361 is an frugal number, since it uses more digits than its factorization.

709774235361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964 (or 3470 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 54.

The spelling of 709774235361 in words is "seven hundred nine billion, seven hundred seventy-four million, two hundred thirty-five thousand, three hundred sixty-one".