68022831733 has 4 divisors (see below), whose sum is σ = 68240157388. Its totient is φ = 67805506080.

The previous prime is 68022831713. The next prime is 68022831743. The reversal of 68022831733 is 33713822086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6072617329 + 61950214404 = 77927^2 + 248898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68022831733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68022831733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68022831713) 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, 108662358 + ... + 108662983.

It is an arithmetic number, because the mean of its divisors is an integer number (17060039347).

Almost surely, 2^68022831733 is an apocalyptic number.

It is an amenable number.

68022831733 is a deficient number, since it is larger than the sum of its proper divisors (217325655).

68022831733 is a wasteful number, since it uses less digits than its factorization.

68022831733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217325654.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 68022831733 in words is "sixty-eight billion, twenty-two million, eight hundred thirty-one thousand, seven hundred thirty-three".