685322632269 has 48 divisors (see below), whose sum is σ = 1084597185984. Its totient is φ = 413543750400.

The previous prime is 685322632261. The next prime is 685322632321. The reversal of 685322632269 is 962236223586.

685322632269 is a `hidden beast` number, since 6 + 8 + 532 + 26 + 3 + 22 + 69 = 666.

It is not a de Polignac number, because 685322632269 - 2³ = 685322632261 is a prime.

It is a super-2 number, since 2×685322632269² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685322632261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37001199 + ... + 37019715.

It is an arithmetic number, because the mean of its divisors is an integer number (22595774708).

Almost surely, 2^685322632269 is an apocalyptic number.

It is an amenable number.

685322632269 is a deficient number, since it is larger than the sum of its proper divisors (399274553715).

685322632269 is a wasteful number, since it uses less digits than its factorization.

685322632269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20138 (or 20135 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The spelling of 685322632269 in words is "six hundred eighty-five billion, three hundred twenty-two million, six hundred thirty-two thousand, two hundred sixty-nine".