685410488418 has 8 divisors (see below), whose sum is σ = 1370820976848. Its totient is φ = 228470162804.

The previous prime is 685410488317. The next prime is 685410488419. The reversal of 685410488418 is 814884014586.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

685410488418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (685410488419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57117540696 + ... + 57117540707.

It is an arithmetic number, because the mean of its divisors is an integer number (171352622106).

Almost surely, 2^685410488418 is an apocalyptic number.

685410488418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

685410488418 is a wasteful number, since it uses less digits than its factorization.

685410488418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114235081408.

The product of its (nonzero) digits is 7864320, while the sum is 57.

The spelling of 685410488418 in words is "six hundred eighty-five billion, four hundred ten million, four hundred eighty-eight thousand, four hundred eighteen".