26992332673 has 2 divisors, whose sum is σ = 26992332674. Its totient is φ = 26992332672.

The previous prime is 26992332659. The next prime is 26992332701. The reversal of 26992332673 is 37623329962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22478105329 + 4514227344 = 149927^2 + 67188^2 .

It is a cyclic number.

It is not a de Polignac number, because 26992332673 - 2⁹ = 26992332161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26992332673.

It is not a weakly prime, because it can be changed into another prime (26992332173) 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, 13496166336 + 13496166337.

It is an arithmetic number, because the mean of its divisors is an integer number (13496166337).

Almost surely, 2^26992332673 is an apocalyptic number.

It is an amenable number.

26992332673 is a deficient number, since it is larger than the sum of its proper divisors (1).

26992332673 is an equidigital number, since it uses as much as digits as its factorization.

26992332673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 52.

The spelling of 26992332673 in words is "twenty-six billion, nine hundred ninety-two million, three hundred thirty-two thousand, six hundred seventy-three".