63122426461 has 2 divisors, whose sum is σ = 63122426462. Its totient is φ = 63122426460.

The previous prime is 63122426431. The next prime is 63122426489. The reversal of 63122426461 is 16462422136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42102936100 + 21019490361 = 205190^2 + 144981^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63122426461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63122426461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63122426431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31561213230 + 31561213231.

It is an arithmetic number, because the mean of its divisors is an integer number (31561213231).

Almost surely, 2^63122426461 is an apocalyptic number.

It is an amenable number.

63122426461 is a deficient number, since it is larger than the sum of its proper divisors (1).

63122426461 is an equidigital number, since it uses as much as digits as its factorization.

63122426461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 37.

Adding to 63122426461 its reverse (16462422136), we get a palindrome (79584848597).

The spelling of 63122426461 in words is "sixty-three billion, one hundred twenty-two million, four hundred twenty-six thousand, four hundred sixty-one".