26554331189 has 2 divisors, whose sum is σ = 26554331190. Its totient is φ = 26554331188.

The previous prime is 26554331179. The next prime is 26554331191. The reversal of 26554331189 is 98113345562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25709556964 + 844774225 = 160342^2 + 29065^2 .

It is a cyclic number.

It is not a de Polignac number, because 26554331189 - 2¹⁶ = 26554265653 is a prime.

Together with 26554331191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26554331129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13277165594 + 13277165595.

It is an arithmetic number, because the mean of its divisors is an integer number (13277165595).

Almost surely, 2^26554331189 is an apocalyptic number.

It is an amenable number.

26554331189 is a deficient number, since it is larger than the sum of its proper divisors (1).

26554331189 is an equidigital number, since it uses as much as digits as its factorization.

26554331189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 47.

The spelling of 26554331189 in words is "twenty-six billion, five hundred fifty-four million, three hundred thirty-one thousand, one hundred eighty-nine".