709683250328 has 64 divisors (see below), whose sum is σ = 1463875701120. Its totient is φ = 320495616000.

The previous prime is 709683250321. The next prime is 709683250343. The reversal of 709683250328 is 823052386907.

It is a Cunningham number, because it is equal to 842427²-1.

It is a super-2 number, since 2×709683250328² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 709683250328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709683250321) 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 15 ways as a sum of consecutive naturals, for example, 21886928 + ... + 21919328.

It is an arithmetic number, because the mean of its divisors is an integer number (22873057830).

Almost surely, 2^709683250328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709683250328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731937850560).

709683250328 is an abundant number, since it is smaller than the sum of its proper divisors (754192450792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

709683250328 is a wasteful number, since it uses less digits than its factorization.

709683250328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36948 (or 36944 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 709683250328 in words is "seven hundred nine billion, six hundred eighty-three million, two hundred fifty thousand, three hundred twenty-eight".