685094512 has 10 divisors (see below), whose sum is σ = 1327370648. Its totient is φ = 342547248.

The previous prime is 685094507. The next prime is 685094519. The reversal of 685094512 is 215490586.

685094512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685094519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21409188 + ... + 21409219.

Almost surely, 2^685094512 is an apocalyptic number.

It is an amenable number.

685094512 is a deficient number, since it is larger than the sum of its proper divisors (642276136).

685094512 is a wasteful number, since it uses less digits than its factorization.

685094512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42818415 (or 42818409 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 685094512 is about 26174.3101532782. The cubic root of 685094512 is about 881.5565220987.

The spelling of 685094512 in words is "six hundred eighty-five million, ninety-four thousand, five hundred twelve".