685462462699 has 48 divisors (see below), whose sum is σ = 859482662400. Its totient is φ = 543322696896.

The previous prime is 685462462697. The next prime is 685462462781. The reversal of 685462462699 is 996264264586.

It is not a de Polignac number, because 685462462699 - 2¹ = 685462462697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (685462462697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16563237 + ... + 16604569.

It is an arithmetic number, because the mean of its divisors is an integer number (17905888800).

Almost surely, 2^685462462699 is an apocalyptic number.

685462462699 is a deficient number, since it is larger than the sum of its proper divisors (174020199701).

685462462699 is a wasteful number, since it uses less digits than its factorization.

685462462699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41792 (or 41785 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 67.

The spelling of 685462462699 in words is "six hundred eighty-five billion, four hundred sixty-two million, four hundred sixty-two thousand, six hundred ninety-nine".