42645226512241 has 2 divisors, whose sum is σ = 42645226512242. Its totient is φ = 42645226512240.

The previous prime is 42645226512209. The next prime is 42645226512253. The reversal of 42645226512241 is 14221562254624.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41494532640625 + 1150693871616 = 6441625^2 + 1072704^2 .

It is a cyclic number.

It is not a de Polignac number, because 42645226512241 - 2⁵ = 42645226512209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42645226512191 and 42645226512200.

It is not a weakly prime, because it can be changed into another prime (42645226512541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21322613256120 + 21322613256121.

It is an arithmetic number, because the mean of its divisors is an integer number (21322613256121).

Almost surely, 2^{42645226512241} is an apocalyptic number.

It is an amenable number.

42645226512241 is a deficient number, since it is larger than the sum of its proper divisors (1).

42645226512241 is an equidigital number, since it uses as much as digits as its factorization.

42645226512241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1843200, while the sum is 46.

Adding to 42645226512241 its reverse (14221562254624), we get a palindrome (56866788766865).

The spelling of 42645226512241 in words is "forty-two trillion, six hundred forty-five billion, two hundred twenty-six million, five hundred twelve thousand, two hundred forty-one".