709856453 has 4 divisors (see below), whose sum is σ = 719580588. Its totient is φ = 700132320.

The previous prime is 709856447. The next prime is 709856489. The reversal of 709856453 is 354658907.

709856453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354658907 = 1361 ⋅260587.

It can be written as a sum of positive squares in 2 ways, for example, as 237098404 + 472758049 = 15398^2 + 21743^2 .

It is a cyclic number.

It is not a de Polignac number, because 709856453 - 2¹⁴ = 709840069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 709856398 and 709856407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709856443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4861958 + ... + 4862103.

It is an arithmetic number, because the mean of its divisors is an integer number (179895147).

Almost surely, 2^709856453 is an apocalyptic number.

709856453 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

709856453 is a deficient number, since it is larger than the sum of its proper divisors (9724135).

709856453 is an equidigital number, since it uses as much as digits as its factorization.

709856453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9724134.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 709856453 is about 26643.1314413302. The cubic root of 709856453 is about 892.0520143176.

The spelling of 709856453 in words is "seven hundred nine million, eight hundred fifty-six thousand, four hundred fifty-three".