63422523305213 has 2 divisors, whose sum is σ = 63422523305214. Its totient is φ = 63422523305212.

The previous prime is 63422523305203. The next prime is 63422523305291. The reversal of 63422523305213 is 31250332522436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54488653379449 + 8933869925764 = 7381643^2 + 2988958^2 .

It is a cyclic number.

It is not a de Polignac number, because 63422523305213 - 2⁶ = 63422523305149 is a prime.

It is a super-2 number, since 2×63422523305213² (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 (63422523305203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31711261652606 + 31711261652607.

It is an arithmetic number, because the mean of its divisors is an integer number (31711261652607).

Almost surely, 2^{63422523305213} is an apocalyptic number.

It is an amenable number.

63422523305213 is a deficient number, since it is larger than the sum of its proper divisors (1).

63422523305213 is an equidigital number, since it uses as much as digits as its factorization.

63422523305213 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 41.

Adding to 63422523305213 its reverse (31250332522436), we get a palindrome (94672855827649).

The spelling of 63422523305213 in words is "sixty-three trillion, four hundred twenty-two billion, five hundred twenty-three million, three hundred five thousand, two hundred thirteen".