68881456201 has 4 divisors (see below), whose sum is σ = 70181106372. Its totient is φ = 67581806032.

The previous prime is 68881456187. The next prime is 68881456213. The reversal of 68881456201 is 10265418886.

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 63328225801 + 5553230400 = 251651^2 + 74520^2 .

It is a cyclic number.

It is not a de Polignac number, because 68881456201 - 2¹⁵ = 68881423433 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68881556201) 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, 649825006 + ... + 649825111.

It is an arithmetic number, because the mean of its divisors is an integer number (17545276593).

Almost surely, 2^68881456201 is an apocalyptic number.

It is an amenable number.

68881456201 is a deficient number, since it is larger than the sum of its proper divisors (1299650171).

68881456201 is a wasteful number, since it uses less digits than its factorization.

68881456201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299650170.

The product of its (nonzero) digits is 737280, while the sum is 49.

The spelling of 68881456201 in words is "sixty-eight billion, eight hundred eighty-one million, four hundred fifty-six thousand, two hundred one".