63627134369 has 2 divisors, whose sum is σ = 63627134370. Its totient is φ = 63627134368.

The previous prime is 63627134321. The next prime is 63627134437. The reversal of 63627134369 is 96343172636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40176193600 + 23450940769 = 200440^2 + 153137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63627134369 is a prime.

It is a super-2 number, since 2×63627134369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63627131369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31813567184 + 31813567185.

It is an arithmetic number, because the mean of its divisors is an integer number (31813567185).

Almost surely, 2^63627134369 is an apocalyptic number.

It is an amenable number.

63627134369 is a deficient number, since it is larger than the sum of its proper divisors (1).

63627134369 is an equidigital number, since it uses as much as digits as its factorization.

63627134369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 50.

The spelling of 63627134369 in words is "sixty-three billion, six hundred twenty-seven million, one hundred thirty-four thousand, three hundred sixty-nine".