685486465 has 8 divisors (see below), whose sum is σ = 865877760. Its totient is φ = 519526512.

The previous prime is 685486453. The next prime is 685486481. The reversal of 685486465 is 564684586.

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 685486465 - 2⁷ = 685486337 is a prime.

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, 3607729 + ... + 3607918.

It is an arithmetic number, because the mean of its divisors is an integer number (108234720).

Almost surely, 2^685486465 is an apocalyptic number.

It is an amenable number.

685486465 is a deficient number, since it is larger than the sum of its proper divisors (180391295).

685486465 is a wasteful number, since it uses less digits than its factorization.

685486465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7215671.

The product of its digits is 5529600, while the sum is 52.

The square root of 685486465 is about 26181.7964433306. The cubic root of 685486465 is about 881.7246073504.

The spelling of 685486465 in words is "six hundred eighty-five million, four hundred eighty-six thousand, four hundred sixty-five".