63610417361 has 2 divisors, whose sum is σ = 63610417362. Its totient is φ = 63610417360.

The previous prime is 63610417327. The next prime is 63610417363. The reversal of 63610417361 is 16371401636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50913409600 + 12697007761 = 225640^2 + 112681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63610417361 is a prime.

It is a super-2 number, since 2×63610417361² (a number of 22 digits) contains 22 as substring.

Together with 63610417363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63610417363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31805208680 + 31805208681.

It is an arithmetic number, because the mean of its divisors is an integer number (31805208681).

Almost surely, 2^63610417361 is an apocalyptic number.

It is an amenable number.

63610417361 is a deficient number, since it is larger than the sum of its proper divisors (1).

63610417361 is an equidigital number, since it uses as much as digits as its factorization.

63610417361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

Adding to 63610417361 its reverse (16371401636), we get a palindrome (79981818997).

The spelling of 63610417361 in words is "sixty-three billion, six hundred ten million, four hundred seventeen thousand, three hundred sixty-one".