709308028640 has 48 divisors (see below), whose sum is σ = 1675842391440. Its totient is φ = 283705912320.

The previous prime is 709308028489. The next prime is 709308028697. The reversal of 709308028640 is 46820803907.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2679860 + ... + 2932620.

It is an arithmetic number, because the mean of its divisors is an integer number (34913383155).

Almost surely, 2^709308028640 is an apocalyptic number.

It is an amenable number.

709308028640 is an abundant number, since it is smaller than the sum of its proper divisors (966534362800).

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

709308028640 is a wasteful number, since it uses less digits than its factorization.

709308028640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270315 (or 270307 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 709308028640 in words is "seven hundred nine billion, three hundred eight million, twenty-eight thousand, six hundred forty".