26012851219 has 2 divisors, whose sum is σ = 26012851220. Its totient is φ = 26012851218.

The previous prime is 26012851217. The next prime is 26012851229. The reversal of 26012851219 is 91215821062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26012851219 - 2¹ = 26012851217 is a prime.

It is a super-2 number, since 2×26012851219² (a number of 22 digits) contains 22 as substring.

Together with 26012851217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26012851217) 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, 13006425609 + 13006425610.

It is an arithmetic number, because the mean of its divisors is an integer number (13006425610).

Almost surely, 2^26012851219 is an apocalyptic number.

26012851219 is a deficient number, since it is larger than the sum of its proper divisors (1).

26012851219 is an equidigital number, since it uses as much as digits as its factorization.

26012851219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 26012851219 in words is "twenty-six billion, twelve million, eight hundred fifty-one thousand, two hundred nineteen".