26893911673 has 2 divisors, whose sum is σ = 26893911674. Its totient is φ = 26893911672.

The previous prime is 26893911643. The next prime is 26893911679. The reversal of 26893911673 is 37611939862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18427519504 + 8466392169 = 135748^2 + 92013^2 .

It is a cyclic number.

It is not a de Polignac number, because 26893911673 - 2¹³ = 26893903481 is a prime.

It is not a weakly prime, because it can be changed into another prime (26893911679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13446955836 + 13446955837.

It is an arithmetic number, because the mean of its divisors is an integer number (13446955837).

Almost surely, 2^26893911673 is an apocalyptic number.

It is an amenable number.

26893911673 is a deficient number, since it is larger than the sum of its proper divisors (1).

26893911673 is an equidigital number, since it uses as much as digits as its factorization.

26893911673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 55.

The spelling of 26893911673 in words is "twenty-six billion, eight hundred ninety-three million, nine hundred eleven thousand, six hundred seventy-three".