68288407142401 has 4 divisors (see below), whose sum is σ = 68292890083332. Its totient is φ = 68283924201472.

The previous prime is 68288407142387. The next prime is 68288407142453. The reversal of 68288407142401 is 10424170488286.

It is a Cunningham number, because it is equal to 8263680²+1.

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 10541554394176 + 57746852748225 = 3246776^2 + 7599135^2 .

It is a cyclic number.

It is not a de Polignac number, because 68288407142401 - 2¹¹ = 68288407140353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68288407145401) 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, 2241447616 + ... + 2241478081.

It is an arithmetic number, because the mean of its divisors is an integer number (17073222520833).

Almost surely, 2^{68288407142401} is an apocalyptic number.

It is an amenable number.

68288407142401 is a deficient number, since it is larger than the sum of its proper divisors (4482940931).

68288407142401 is a wasteful number, since it uses less digits than its factorization.

68288407142401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482940930.

The product of its (nonzero) digits is 5505024, while the sum is 55.

The spelling of 68288407142401 in words is "sixty-eight trillion, two hundred eighty-eight billion, four hundred seven million, one hundred forty-two thousand, four hundred one".