709536849 has 8 divisors (see below), whose sum is σ = 1081199040. Its totient is φ = 405449616.

The previous prime is 709536799. The next prime is 709536869. The reversal of 709536849 is 948635907.

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

It is not a de Polignac number, because 709536849 - 2¹² = 709532753 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (709536869) 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, 16893714 + ... + 16893755.

It is an arithmetic number, because the mean of its divisors is an integer number (135149880).

Almost surely, 2^709536849 is an apocalyptic number.

It is an amenable number.

709536849 is a deficient number, since it is larger than the sum of its proper divisors (371662191).

709536849 is a wasteful number, since it uses less digits than its factorization.

709536849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33787479.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 709536849 is about 26637.1328975173. The cubic root of 709536849 is about 891.9181157951.

The spelling of 709536849 in words is "seven hundred nine million, five hundred thirty-six thousand, eight hundred forty-nine".