26606522602819 has 2 divisors, whose sum is σ = 26606522602820. Its totient is φ = 26606522602818.

The previous prime is 26606522602741. The next prime is 26606522602837. The reversal of 26606522602819 is 91820622560662.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26606522602819 - 2²⁷ = 26606388385091 is a prime.

It is a super-2 number, since 2×26606522602819² (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 26606522602819.

It is not a weakly prime, because it can be changed into another prime (26606522602519) 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, 13303261301409 + 13303261301410.

It is an arithmetic number, because the mean of its divisors is an integer number (13303261301410).

Almost surely, 2^{26606522602819} is an apocalyptic number.

26606522602819 is a deficient number, since it is larger than the sum of its proper divisors (1).

26606522602819 is an equidigital number, since it uses as much as digits as its factorization.

26606522602819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 26606522602819 in words is "twenty-six trillion, six hundred six billion, five hundred twenty-two million, six hundred two thousand, eight hundred nineteen".