709420858556 has 24 divisors (see below), whose sum is σ = 1307020218000. Its totient is φ = 335992005504.

The previous prime is 709420858547. The next prime is 709420858567. The reversal of 709420858556 is 655858024907.

It is a super-4 number, since 4×709420858556⁴ (a number of 49 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 709420858495 and 709420858504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164441 + ... + 1202448.

It is an arithmetic number, because the mean of its divisors is an integer number (54459175750).

Almost surely, 2^709420858556 is an apocalyptic number.

709420858556 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

709420858556 is a deficient number, since it is larger than the sum of its proper divisors (597599359444).

709420858556 is a wasteful number, since it uses less digits than its factorization.

709420858556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373741 (or 1373739 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 59.

The spelling of 709420858556 in words is "seven hundred nine billion, four hundred twenty million, eight hundred fifty-eight thousand, five hundred fifty-six".