68936071307445 has 96 divisors (see below), whose sum is σ = 131029699507200. Its totient is φ = 33389965271040.

The previous prime is 68936071307407. The next prime is 68936071307449. The reversal of 68936071307445 is 54470317063986.

It is a happy number.

68936071307445 is a `hidden beast` number, since 6 + 8 + 9 + 3 + 607 + 13 + 0 + 7 + 4 + 4 + 5 = 666.

It is not a de Polignac number, because 68936071307445 - 2⁶ = 68936071307381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68936071307449) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10949220 + ... + 16054829.

It is an arithmetic number, because the mean of its divisors is an integer number (1364892703200).

Almost surely, 2^{68936071307445} is an apocalyptic number.

It is an amenable number.

68936071307445 is a deficient number, since it is larger than the sum of its proper divisors (62093628199755).

68936071307445 is a wasteful number, since it uses less digits than its factorization.

68936071307445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27004195 (or 27004192 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 63.

The spelling of 68936071307445 in words is "sixty-eight trillion, nine hundred thirty-six billion, seventy-one million, three hundred seven thousand, four hundred forty-five".