26873163207563 has 2 divisors, whose sum is σ = 26873163207564. Its totient is φ = 26873163207562.

The previous prime is 26873163207551. The next prime is 26873163207637. The reversal of 26873163207563 is 36570236137862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26873163207563 - 2²⁸ = 26872894772107 is a prime.

It is not a weakly prime, because it can be changed into another prime (26873163207263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13436581603781 + 13436581603782.

It is an arithmetic number, because the mean of its divisors is an integer number (13436581603782).

Almost surely, 2^{26873163207563} is an apocalyptic number.

26873163207563 is a deficient number, since it is larger than the sum of its proper divisors (1).

26873163207563 is an equidigital number, since it uses as much as digits as its factorization.

26873163207563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45722880, while the sum is 59.

The spelling of 26873163207563 in words is "twenty-six trillion, eight hundred seventy-three billion, one hundred sixty-three million, two hundred seven thousand, five hundred sixty-three".