26122544797 has 2 divisors, whose sum is σ = 26122544798. Its totient is φ = 26122544796.

The previous prime is 26122544753. The next prime is 26122544827. The reversal of 26122544797 is 79744522162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25906190116 + 216354681 = 160954^2 + 14709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26122544797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26122544797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26122544597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13061272398 + 13061272399.

It is an arithmetic number, because the mean of its divisors is an integer number (13061272399).

Almost surely, 2^26122544797 is an apocalyptic number.

It is an amenable number.

26122544797 is a deficient number, since it is larger than the sum of its proper divisors (1).

26122544797 is an equidigital number, since it uses as much as digits as its factorization.

26122544797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 49.

The spelling of 26122544797 in words is "twenty-six billion, one hundred twenty-two million, five hundred forty-four thousand, seven hundred ninety-seven".