709547453 has 4 divisors (see below), whose sum is σ = 715826748. Its totient is φ = 703268160.

The previous prime is 709547441. The next prime is 709547459. The reversal of 709547453 is 354745907.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354745907 = 53 ⋅6693319.

It can be written as a sum of positive squares in 2 ways, for example, as 275991769 + 433555684 = 16613^2 + 20822^2 .

It is a cyclic number.

It is not a de Polignac number, because 709547453 - 2¹⁰ = 709546429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709547459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3139478 + ... + 3139703.

It is an arithmetic number, because the mean of its divisors is an integer number (178956687).

Almost surely, 2^709547453 is an apocalyptic number.

It is an amenable number.

709547453 is a deficient number, since it is larger than the sum of its proper divisors (6279295).

709547453 is a wasteful number, since it uses less digits than its factorization.

709547453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279294.

The product of its (nonzero) digits is 529200, while the sum is 44.

The square root of 709547453 is about 26637.3319422197. The cubic root of 709547453 is about 891.9225589999.

The spelling of 709547453 in words is "seven hundred nine million, five hundred forty-seven thousand, four hundred fifty-three".