68033373305 has 8 divisors (see below), whose sum is σ = 81650459592. Its totient is φ = 54419757568.

The previous prime is 68033373299. The next prime is 68033373341. The reversal of 68033373305 is 50337333086.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9882944569 + 58150428736 = 99413^2 + 241144^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 68033373305 - 2²⁶ = 67966264441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824312 + ... + 903081.

It is an arithmetic number, because the mean of its divisors is an integer number (10206307449).

Almost surely, 2^68033373305 is an apocalyptic number.

It is an amenable number.

68033373305 is a deficient number, since it is larger than the sum of its proper divisors (13617086287).

68033373305 is a wasteful number, since it uses less digits than its factorization.

68033373305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735275.

The product of its (nonzero) digits is 408240, while the sum is 41.

The spelling of 68033373305 in words is "sixty-eight billion, thirty-three million, three hundred seventy-three thousand, three hundred five".