26223196619 has 2 divisors, whose sum is σ = 26223196620. Its totient is φ = 26223196618.

The previous prime is 26223196613. The next prime is 26223196661. The reversal of 26223196619 is 91669132262.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26223196619 - 2²⁴ = 26206419403 is a prime.

It is a super-2 number, since 2×26223196619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26223196613) 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, 13111598309 + 13111598310.

It is an arithmetic number, because the mean of its divisors is an integer number (13111598310).

Almost surely, 2^26223196619 is an apocalyptic number.

26223196619 is a deficient number, since it is larger than the sum of its proper divisors (1).

26223196619 is an equidigital number, since it uses as much as digits as its factorization.

26223196619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 47.

The spelling of 26223196619 in words is "twenty-six billion, two hundred twenty-three million, one hundred ninety-six thousand, six hundred nineteen".