26426222424619 has 2 divisors, whose sum is σ = 26426222424620. Its totient is φ = 26426222424618.

The previous prime is 26426222424617. The next prime is 26426222424653. The reversal of 26426222424619 is 91642422262462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26426222424619 - 2¹ = 26426222424617 is a prime.

It is a super-2 number, since 2×26426222424619² (a number of 28 digits) contains 22 as substring.

Together with 26426222424617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26426222424617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13213111212309 + 13213111212310.

It is an arithmetic number, because the mean of its divisors is an integer number (13213111212310).

Almost surely, 2^{26426222424619} is an apocalyptic number.

26426222424619 is a deficient number, since it is larger than the sum of its proper divisors (1).

26426222424619 is an equidigital number, since it uses as much as digits as its factorization.

26426222424619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7962624, while the sum is 52.

The spelling of 26426222424619 in words is "twenty-six trillion, four hundred twenty-six billion, two hundred twenty-two million, four hundred twenty-four thousand, six hundred nineteen".