26413876786019 has 2 divisors, whose sum is σ = 26413876786020. Its totient is φ = 26413876786018.

The previous prime is 26413876786013. The next prime is 26413876786067. The reversal of 26413876786019 is 91068767831462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26413876786019 - 2²⁰ = 26413875737443 is a prime.

It is a super-2 number, since 2×26413876786019² (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 26413876786019.

It is not a weakly prime, because it can be changed into another prime (26413876786013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13206938393009 + 13206938393010.

It is an arithmetic number, because the mean of its divisors is an integer number (13206938393010).

Almost surely, 2^{26413876786019} is an apocalyptic number.

26413876786019 is a deficient number, since it is larger than the sum of its proper divisors (1).

26413876786019 is an equidigital number, since it uses as much as digits as its factorization.

26413876786019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 146313216, while the sum is 68.

The spelling of 26413876786019 in words is "twenty-six trillion, four hundred thirteen billion, eight hundred seventy-six million, seven hundred eighty-six thousand, nineteen".