685280508333 has 8 divisors (see below), whose sum is σ = 915680796288. Its totient is φ = 455866946304.

The previous prime is 685280508313. The next prime is 685280508343. The reversal of 685280508333 is 333805082586.

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

It is not a de Polignac number, because 685280508333 - 2¹⁷ = 685280377261 is a prime.

It is a super-2 number, since 2×685280508333² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685280508313) 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, 246679860 + ... + 246682637.

It is an arithmetic number, because the mean of its divisors is an integer number (114460099536).

Almost surely, 2^685280508333 is an apocalyptic number.

It is an amenable number.

685280508333 is a deficient number, since it is larger than the sum of its proper divisors (230400287955).

685280508333 is a wasteful number, since it uses less digits than its factorization.

685280508333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493362963.

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 685280508333 in words is "six hundred eighty-five billion, two hundred eighty million, five hundred eight thousand, three hundred thirty-three".