26954066533 has 2 divisors, whose sum is σ = 26954066534. Its totient is φ = 26954066532.

The previous prime is 26954066509. The next prime is 26954066561. The reversal of 26954066533 is 33566045962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26667543204 + 286523329 = 163302^2 + 16927^2 .

It is a cyclic number.

It is not a de Polignac number, because 26954066533 - 2¹⁷ = 26953935461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26954066563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13477033266 + 13477033267.

It is an arithmetic number, because the mean of its divisors is an integer number (13477033267).

Almost surely, 2^26954066533 is an apocalyptic number.

It is an amenable number.

26954066533 is a deficient number, since it is larger than the sum of its proper divisors (1).

26954066533 is an equidigital number, since it uses as much as digits as its factorization.

26954066533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 26954066533 in words is "twenty-six billion, nine hundred fifty-four million, sixty-six thousand, five hundred thirty-three".