68126968401 has 4 divisors (see below), whose sum is σ = 90835957872. Its totient is φ = 45417978932.

The previous prime is 68126968391. The next prime is 68126968411. The reversal of 68126968401 is 10486962186.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (68126968391) and next prime (68126968411).

It is a cyclic number.

It is not a de Polignac number, because 68126968401 - 2¹⁷ = 68126837329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68126968411) 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, 11354494731 + ... + 11354494736.

It is an arithmetic number, because the mean of its divisors is an integer number (22708989468).

Almost surely, 2^68126968401 is an apocalyptic number.

It is an amenable number.

68126968401 is a deficient number, since it is larger than the sum of its proper divisors (22708989471).

68126968401 is a wasteful number, since it uses less digits than its factorization.

68126968401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22708989470.

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 68126968401 in words is "sixty-eight billion, one hundred twenty-six million, nine hundred sixty-eight thousand, four hundred one".