26026694189 has 4 divisors (see below), whose sum is σ = 26039536224. Its totient is φ = 26013852156.

The previous prime is 26026694167. The next prime is 26026694257. The reversal of 26026694189 is 98149662062.

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 26026694189 - 2¹² = 26026690093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26026694189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26026694129) 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, 6417977 + ... + 6422030.

It is an arithmetic number, because the mean of its divisors is an integer number (6509884056).

Almost surely, 2^26026694189 is an apocalyptic number.

It is an amenable number.

26026694189 is a deficient number, since it is larger than the sum of its proper divisors (12842035).

26026694189 is a wasteful number, since it uses less digits than its factorization.

26026694189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12842034.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 26026694189 in words is "twenty-six billion, twenty-six million, six hundred ninety-four thousand, one hundred eighty-nine".