709499213 has 8 divisors (see below), whose sum is σ = 715181688. Its totient is φ = 703839744.

The previous prime is 709499209. The next prime is 709499221. The reversal of 709499213 is 312994907.

It can be written as a sum of positive squares in 4 ways, for example, as 11377129 + 698122084 = 3373^2 + 26422^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 709499213 - 2² = 709499209 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 (709499293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59045 + ... + 70037.

It is an arithmetic number, because the mean of its divisors is an integer number (89397711).

Almost surely, 2^709499213 is an apocalyptic number.

It is an amenable number.

709499213 is a deficient number, since it is larger than the sum of its proper divisors (5682475).

709499213 is a wasteful number, since it uses less digits than its factorization.

709499213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11503.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 709499213 is about 26636.4264307358. The cubic root of 709499213 is about 891.9023454966.

The spelling of 709499213 in words is "seven hundred nine million, four hundred ninety-nine thousand, two hundred thirteen".