26873874017 has 2 divisors, whose sum is σ = 26873874018. Its totient is φ = 26873874016.

The previous prime is 26873873953. The next prime is 26873874073. The reversal of 26873874017 is 71047837862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22351446016 + 4522428001 = 149504^2 + 67249^2 .

It is a cyclic number.

It is not a de Polignac number, because 26873874017 - 2⁶ = 26873873953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26873874017.

It is not a weakly prime, because it can be changed into another prime (26873873017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13436937008 + 13436937009.

It is an arithmetic number, because the mean of its divisors is an integer number (13436937009).

Almost surely, 2^26873874017 is an apocalyptic number.

It is an amenable number.

26873874017 is a deficient number, since it is larger than the sum of its proper divisors (1).

26873874017 is an equidigital number, since it uses as much as digits as its factorization.

26873874017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3161088, while the sum is 53.

The spelling of 26873874017 in words is "twenty-six billion, eight hundred seventy-three million, eight hundred seventy-four thousand, seventeen".