68881442578053 has 8 divisors (see below), whose sum is σ = 104962198214208. Its totient is φ = 39360824330304.

The previous prime is 68881442578037. The next prime is 68881442578079. The reversal of 68881442578053 is 35087524418886.

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

It is not a de Polignac number, because 68881442578053 - 2⁴ = 68881442578037 is a prime.

It is a super-2 number, since 2×68881442578053² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68881442570053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640034347076 + ... + 1640034347117.

It is an arithmetic number, because the mean of its divisors is an integer number (13120274776776).

Almost surely, 2^{68881442578053} is an apocalyptic number.

It is an amenable number.

68881442578053 is a deficient number, since it is larger than the sum of its proper divisors (36080755636155).

68881442578053 is a wasteful number, since it uses less digits than its factorization.

68881442578053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280068694203.

The product of its (nonzero) digits is 412876800, while the sum is 69.

The spelling of 68881442578053 in words is "sixty-eight trillion, eight hundred eighty-one billion, four hundred forty-two million, five hundred seventy-eight thousand, fifty-three".