709257893997382 has 16 divisors (see below), whose sum is σ = 1091395030505472. Its totient is φ = 345527221318920.

The previous prime is 709257893997293. The next prime is 709257893997439. The reversal of 709257893997382 is 283799398752907.

It is a junction number, because it is equal to n+sod(n) for n = 709257893997293 and 709257893997302.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 16917684744 + ... + 16917726667.

It is an arithmetic number, because the mean of its divisors is an integer number (68212189406592).

Almost surely, 2^{709257893997382} is an apocalyptic number.

709257893997382 is a deficient number, since it is larger than the sum of its proper divisors (382137136508090).

709257893997382 is a wasteful number, since it uses less digits than its factorization.

709257893997382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33835411683.

The product of its (nonzero) digits is 25924872960, while the sum is 88.

The spelling of 709257893997382 in words is "seven hundred nine trillion, two hundred fifty-seven billion, eight hundred ninety-three million, nine hundred ninety-seven thousand, three hundred eighty-two".