63734424697 has 2 divisors, whose sum is σ = 63734424698. Its totient is φ = 63734424696.

The previous prime is 63734424679. The next prime is 63734424727. The reversal of 63734424697 is 79642443736.

Together with previous prime (63734424679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45461062656 + 18273362041 = 213216^2 + 135179^2 .

It is a cyclic number.

It is not a de Polignac number, because 63734424697 - 2⁷ = 63734424569 is a prime.

It is not a weakly prime, because it can be changed into another prime (63734424647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31867212348 + 31867212349.

It is an arithmetic number, because the mean of its divisors is an integer number (31867212349).

Almost surely, 2^63734424697 is an apocalyptic number.

It is an amenable number.

63734424697 is a deficient number, since it is larger than the sum of its proper divisors (1).

63734424697 is an equidigital number, since it uses as much as digits as its factorization.

63734424697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18289152, while the sum is 55.

The spelling of 63734424697 in words is "sixty-three billion, seven hundred thirty-four million, four hundred twenty-four thousand, six hundred ninety-seven".