26794656523 has 2 divisors, whose sum is σ = 26794656524. Its totient is φ = 26794656522.

The previous prime is 26794656509. The next prime is 26794656527. The reversal of 26794656523 is 32565649762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26794656523 - 2²¹ = 26792559371 is a prime.

It is not a weakly prime, because it can be changed into another prime (26794656527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13397328261 + 13397328262.

It is an arithmetic number, because the mean of its divisors is an integer number (13397328262).

Almost surely, 2^26794656523 is an apocalyptic number.

26794656523 is a deficient number, since it is larger than the sum of its proper divisors (1).

26794656523 is an equidigital number, since it uses as much as digits as its factorization.

26794656523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 55.

The spelling of 26794656523 in words is "twenty-six billion, seven hundred ninety-four million, six hundred fifty-six thousand, five hundred twenty-three".