26686982201 has 4 divisors (see below), whose sum is σ = 29113071504. Its totient is φ = 24260892900.

The previous prime is 26686982159. The next prime is 26686982207. The reversal of 26686982201 is 10228968662.

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 26686982201 - 2¹⁰ = 26686981177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26686982201.

It is not an unprimeable number, because it can be changed into a prime (26686982207) 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, 1213044635 + ... + 1213044656.

It is an arithmetic number, because the mean of its divisors is an integer number (7278267876).

Almost surely, 2^26686982201 is an apocalyptic number.

It is an amenable number.

26686982201 is a deficient number, since it is larger than the sum of its proper divisors (2426089303).

26686982201 is a wasteful number, since it uses less digits than its factorization.

26686982201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426089302.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 26686982201 in words is "twenty-six billion, six hundred eighty-six million, nine hundred eighty-two thousand, two hundred one".