26451560593 has 2 divisors, whose sum is σ = 26451560594. Its totient is φ = 26451560592.

The previous prime is 26451560521. The next prime is 26451560609. The reversal of 26451560593 is 39506515462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17737711489 + 8713849104 = 133183^2 + 93348^2 .

It is a cyclic number.

It is not a de Polignac number, because 26451560593 - 2⁹ = 26451560081 is a prime.

It is not a weakly prime, because it can be changed into another prime (26451560393) 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, 13225780296 + 13225780297.

It is an arithmetic number, because the mean of its divisors is an integer number (13225780297).

Almost surely, 2^26451560593 is an apocalyptic number.

It is an amenable number.

26451560593 is a deficient number, since it is larger than the sum of its proper divisors (1).

26451560593 is an equidigital number, since it uses as much as digits as its factorization.

26451560593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 26451560593 in words is "twenty-six billion, four hundred fifty-one million, five hundred sixty thousand, five hundred ninety-three".