26194527089 has 4 divisors (see below), whose sum is σ = 26199868020. Its totient is φ = 26189186160.

The previous prime is 26194526977. The next prime is 26194527101. The reversal of 26194527089 is 98072549162.

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 14550390625 + 11644136464 = 120625^2 + 107908^2 .

It is a cyclic number.

It is not a de Polignac number, because 26194527089 - 2³² = 21899559793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26194527089.

It is not an unprimeable number, because it can be changed into a prime (26194527589) 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, 2663102 + ... + 2672919.

It is an arithmetic number, because the mean of its divisors is an integer number (6549967005).

Almost surely, 2^26194527089 is an apocalyptic number.

It is an amenable number.

26194527089 is a deficient number, since it is larger than the sum of its proper divisors (5340931).

26194527089 is an equidigital number, since it uses as much as digits as its factorization.

26194527089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340930.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 26194527089 in words is "twenty-six billion, one hundred ninety-four million, five hundred twenty-seven thousand, eighty-nine".