68685493310 has 16 divisors (see below), whose sum is σ = 141295872096. Its totient is φ = 23549311968.

The previous prime is 68685493267. The next prime is 68685493313. The reversal of 68685493310 is 1339458686.

It is a super-2 number, since 2×68685493310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68685493313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490610597 + ... + 490610736.

It is an arithmetic number, because the mean of its divisors is an integer number (8830992006).

Almost surely, 2^68685493310 is an apocalyptic number.

68685493310 is an abundant number, since it is smaller than the sum of its proper divisors (72610378786).

68685493310 is a wasteful number, since it uses less digits than its factorization.

68685493310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981221347.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 68685493310 in words is "sixty-eight billion, six hundred eighty-five million, four hundred ninety-three thousand, three hundred ten".