26228337346369 has 2 divisors, whose sum is σ = 26228337346370. Its totient is φ = 26228337346368.

The previous prime is 26228337346261. The next prime is 26228337346439. The reversal of 26228337346369 is 96364373382262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24339540654144 + 1888796692225 = 4933512^2 + 1374335^2 .

It is a cyclic number.

It is not a de Polignac number, because 26228337346369 - 2¹⁹ = 26228336822081 is a prime.

It is a super-2 number, since 2×26228337346369² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26228337346369.

It is not a weakly prime, because it can be changed into another prime (26228337349369) 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, 13114168673184 + 13114168673185.

It is an arithmetic number, because the mean of its divisors is an integer number (13114168673185).

Almost surely, 2^{26228337346369} is an apocalyptic number.

It is an amenable number.

26228337346369 is a deficient number, since it is larger than the sum of its proper divisors (1).

26228337346369 is an equidigital number, since it uses as much as digits as its factorization.

26228337346369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282175488, while the sum is 64.

The spelling of 26228337346369 in words is "twenty-six trillion, two hundred twenty-eight billion, three hundred thirty-seven million, three hundred forty-six thousand, three hundred sixty-nine".