63344650433 has 2 divisors, whose sum is σ = 63344650434. Its totient is φ = 63344650432.

The previous prime is 63344650429. The next prime is 63344650463. The reversal of 63344650433 is 33405644336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61532275249 + 1812375184 = 248057^2 + 42572^2 .

It is a cyclic number.

It is not a de Polignac number, because 63344650433 - 2² = 63344650429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (63344650403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31672325216 + 31672325217.

It is an arithmetic number, because the mean of its divisors is an integer number (31672325217).

Almost surely, 2^63344650433 is an apocalyptic number.

It is an amenable number.

63344650433 is a deficient number, since it is larger than the sum of its proper divisors (1).

63344650433 is an equidigital number, since it uses as much as digits as its factorization.

63344650433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 41.

The spelling of 63344650433 in words is "sixty-three billion, three hundred forty-four million, six hundred fifty thousand, four hundred thirty-three".