26869172273 has 2 divisors, whose sum is σ = 26869172274. Its totient is φ = 26869172272.

The previous prime is 26869172243. The next prime is 26869172279. The reversal of 26869172273 is 37227196862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19747837729 + 7121334544 = 140527^2 + 84388^2 .

It is a cyclic number.

It is not a de Polignac number, because 26869172273 - 2¹⁰ = 26869171249 is a prime.

It is not a weakly prime, because it can be changed into another prime (26869172279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13434586136 + 13434586137.

It is an arithmetic number, because the mean of its divisors is an integer number (13434586137).

Almost surely, 2^26869172273 is an apocalyptic number.

It is an amenable number.

26869172273 is a deficient number, since it is larger than the sum of its proper divisors (1).

26869172273 is an equidigital number, since it uses as much as digits as its factorization.

26869172273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 53.

The spelling of 26869172273 in words is "twenty-six billion, eight hundred sixty-nine million, one hundred seventy-two thousand, two hundred seventy-three".