26802257947219 has 2 divisors, whose sum is σ = 26802257947220. Its totient is φ = 26802257947218.

The previous prime is 26802257947217. The next prime is 26802257947291. The reversal of 26802257947219 is 91274975220862.

Together with next prime (26802257947291) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26802257947219 - 2¹ = 26802257947217 is a prime.

It is a super-2 number, since 2×26802257947219² (a number of 28 digits) contains 22 as substring.

Together with 26802257947217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26802257947217) 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, 13401128973609 + 13401128973610.

It is an arithmetic number, because the mean of its divisors is an integer number (13401128973610).

Almost surely, 2^{26802257947219} is an apocalyptic number.

26802257947219 is a deficient number, since it is larger than the sum of its proper divisors (1).

26802257947219 is an equidigital number, since it uses as much as digits as its factorization.

26802257947219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 26802257947219 in words is "twenty-six trillion, eight hundred two billion, two hundred fifty-seven million, nine hundred forty-seven thousand, two hundred nineteen".