26873163206971 has 2 divisors, whose sum is σ = 26873163206972. Its totient is φ = 26873163206970.

The previous prime is 26873163206909. The next prime is 26873163207001. The reversal of 26873163206971 is 17960236137862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26873163206971 - 2²⁷ = 26873028989243 is a prime.

It is not a weakly prime, because it can be changed into another prime (26873163201971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13436581603485 + 13436581603486.

It is an arithmetic number, because the mean of its divisors is an integer number (13436581603486).

Almost surely, 2^{26873163206971} is an apocalyptic number.

26873163206971 is a deficient number, since it is larger than the sum of its proper divisors (1).

26873163206971 is an equidigital number, since it uses as much as digits as its factorization.

26873163206971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 26873163206971 in words is "twenty-six trillion, eight hundred seventy-three billion, one hundred sixty-three million, two hundred six thousand, nine hundred seventy-one".