26201612650453 has 2 divisors, whose sum is σ = 26201612650454. Its totient is φ = 26201612650452.

The previous prime is 26201612650427. The next prime is 26201612650463. The reversal of 26201612650453 is 35405621610262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23933160975409 + 2268451675044 = 4892153^2 + 1506138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26201612650453 is a prime.

It is a super-2 number, since 2×26201612650453² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26201612650463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13100806325226 + 13100806325227.

It is an arithmetic number, because the mean of its divisors is an integer number (13100806325227).

Almost surely, 2^{26201612650453} is an apocalyptic number.

It is an amenable number.

26201612650453 is a deficient number, since it is larger than the sum of its proper divisors (1).

26201612650453 is an equidigital number, since it uses as much as digits as its factorization.

26201612650453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 26201612650453 in words is "twenty-six trillion, two hundred one billion, six hundred twelve million, six hundred fifty thousand, four hundred fifty-three".