26923280288189 has 2 divisors, whose sum is σ = 26923280288190. Its totient is φ = 26923280288188.

The previous prime is 26923280288173. The next prime is 26923280288237. The reversal of 26923280288189 is 98188208232962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24506757184900 + 2416523103289 = 4950430^2 + 1554517^2 .

It is a cyclic number.

It is not a de Polignac number, because 26923280288189 - 2⁴ = 26923280288173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26923280288129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13461640144094 + 13461640144095.

It is an arithmetic number, because the mean of its divisors is an integer number (13461640144095).

Almost surely, 2^{26923280288189} is an apocalyptic number.

It is an amenable number.

26923280288189 is a deficient number, since it is larger than the sum of its proper divisors (1).

26923280288189 is an equidigital number, since it uses as much as digits as its factorization.

26923280288189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95551488, while the sum is 68.

The spelling of 26923280288189 in words is "twenty-six trillion, nine hundred twenty-three billion, two hundred eighty million, two hundred eighty-eight thousand, one hundred eighty-nine".