26348409543473 has 2 divisors, whose sum is σ = 26348409543474. Its totient is φ = 26348409543472.

The previous prime is 26348409543439. The next prime is 26348409543497. The reversal of 26348409543473 is 37434590484362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23112181245169 + 3236228298304 = 4807513^2 + 1798952^2 .

It is a cyclic number.

It is not a de Polignac number, because 26348409543473 - 2¹² = 26348409539377 is a prime.

It is not a weakly prime, because it can be changed into another prime (26348409543403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13174204771736 + 13174204771737.

It is an arithmetic number, because the mean of its divisors is an integer number (13174204771737).

Almost surely, 2^{26348409543473} is an apocalyptic number.

It is an amenable number.

26348409543473 is a deficient number, since it is larger than the sum of its proper divisors (1).

26348409543473 is an equidigital number, since it uses as much as digits as its factorization.

26348409543473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209018880, while the sum is 62.

The spelling of 26348409543473 in words is "twenty-six trillion, three hundred forty-eight billion, four hundred nine million, five hundred forty-three thousand, four hundred seventy-three".