26453206529 has 2 divisors, whose sum is σ = 26453206530. Its totient is φ = 26453206528.

The previous prime is 26453206489. The next prime is 26453206537. The reversal of 26453206529 is 92560235462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21272805904 + 5180400625 = 145852^2 + 71975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26453206529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26453206529.

It is not a weakly prime, because it can be changed into another prime (26453206229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13226603264 + 13226603265.

It is an arithmetic number, because the mean of its divisors is an integer number (13226603265).

Almost surely, 2^26453206529 is an apocalyptic number.

It is an amenable number.

26453206529 is a deficient number, since it is larger than the sum of its proper divisors (1).

26453206529 is an equidigital number, since it uses as much as digits as its factorization.

26453206529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 26453206529 in words is "twenty-six billion, four hundred fifty-three million, two hundred six thousand, five hundred twenty-nine".