26906068401 has 4 divisors (see below), whose sum is σ = 35874757872. Its totient is φ = 17937378932.

The previous prime is 26906068391. The next prime is 26906068439. The reversal of 26906068401 is 10486060962.

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 a cyclic number.

It is not a de Polignac number, because 26906068401 - 2⁹ = 26906067889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26906068801) 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, 4484344731 + ... + 4484344736.

It is an arithmetic number, because the mean of its divisors is an integer number (8968689468).

Almost surely, 2^26906068401 is an apocalyptic number.

It is an amenable number.

26906068401 is a deficient number, since it is larger than the sum of its proper divisors (8968689471).

26906068401 is an equidigital number, since it uses as much as digits as its factorization.

26906068401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8968689470.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 26906068401 in words is "twenty-six billion, nine hundred six million, sixty-eight thousand, four hundred one".