709842945905 has 16 divisors (see below), whose sum is σ = 865905453504. Its totient is φ = 558481202880.

The previous prime is 709842945899. The next prime is 709842946003. The reversal of 709842945905 is 509549248907.

It is not a de Polignac number, because 709842945905 - 2¹⁸ = 709842683761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1903862 + ... + 2245968.

It is an arithmetic number, because the mean of its divisors is an integer number (54119090844).

Almost surely, 2^709842945905 is an apocalyptic number.

It is an amenable number.

709842945905 is a deficient number, since it is larger than the sum of its proper divisors (156062507599).

709842945905 is a wasteful number, since it uses less digits than its factorization.

709842945905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348976.

The product of its (nonzero) digits is 32659200, while the sum is 62.

The spelling of 709842945905 in words is "seven hundred nine billion, eight hundred forty-two million, nine hundred forty-five thousand, nine hundred five".