68949194315694 has 384 divisors, whose sum is σ = 181342123425792. Its totient is φ = 17268784968960.

The previous prime is 68949194315671. The next prime is 68949194315777. The reversal of 68949194315694 is 49651349194986.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6057201927 + ... + 6057213309.

It is an arithmetic number, because the mean of its divisors is an integer number (472245113088).

Almost surely, 2^{68949194315694} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68949194315694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90671061712896).

68949194315694 is an abundant number, since it is smaller than the sum of its proper divisors (112392929110098).

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

68949194315694 is a wasteful number, since it uses less digits than its factorization.

68949194315694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11900 (or 11893 counting only the distinct ones).

The product of its digits is 1813985280, while the sum is 78.

The spelling of 68949194315694 in words is "sixty-eight trillion, nine hundred forty-nine billion, one hundred ninety-four million, three hundred fifteen thousand, six hundred ninety-four".