685465429 has 16 divisors (see below), whose sum is σ = 767382336. Its totient is φ = 606870400.

The previous prime is 685465427. The next prime is 685465447. The reversal of 685465429 is 924564586.

It is a cyclic number.

It is not a de Polignac number, because 685465429 - 2¹ = 685465427 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685465427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358494 + ... + 360400.

It is an arithmetic number, because the mean of its divisors is an integer number (47961396).

Almost surely, 2^685465429 is an apocalyptic number.

It is an amenable number.

685465429 is a deficient number, since it is larger than the sum of its proper divisors (81916907).

685465429 is a wasteful number, since it uses less digits than its factorization.

685465429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756.

The product of its digits is 2073600, while the sum is 49.

The square root of 685465429 is about 26181.3947107483. The cubic root of 685465429 is about 881.7155878927.

The spelling of 685465429 in words is "six hundred eighty-five million, four hundred sixty-five thousand, four hundred twenty-nine".