685353359347 has 8 divisors (see below), whose sum is σ = 737967726000. Its totient is φ = 634105599744.

The previous prime is 685353359333. The next prime is 685353359377. The reversal of 685353359347 is 743953353586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 685353359347 - 2¹⁵ = 685353326579 is a prime.

It is a super-2 number, since 2×685353359347² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (685353359377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341650722 + ... + 341652727.

It is an arithmetic number, because the mean of its divisors is an integer number (92245965750).

Almost surely, 2^685353359347 is an apocalyptic number.

685353359347 is a deficient number, since it is larger than the sum of its proper divisors (52614366653).

685353359347 is a wasteful number, since it uses less digits than its factorization.

685353359347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683303525.

The product of its digits is 122472000, while the sum is 61.

The spelling of 685353359347 in words is "six hundred eighty-five billion, three hundred fifty-three million, three hundred fifty-nine thousand, three hundred forty-seven".