63356403420749 has 2 divisors, whose sum is σ = 63356403420750. Its totient is φ = 63356403420748.

The previous prime is 63356403420707. The next prime is 63356403420811. The reversal of 63356403420749 is 94702430465336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60259356036100 + 3097047384649 = 7762690^2 + 1759843^2 .

It is a cyclic number.

It is not a de Polignac number, because 63356403420749 - 2²⁰ = 63356402372173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63356403420694 and 63356403420703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63356403420049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31678201710374 + 31678201710375.

It is an arithmetic number, because the mean of its divisors is an integer number (31678201710375).

Almost surely, 2^{63356403420749} is an apocalyptic number.

It is an amenable number.

63356403420749 is a deficient number, since it is larger than the sum of its proper divisors (1).

63356403420749 is an equidigital number, since it uses as much as digits as its factorization.

63356403420749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 56.

The spelling of 63356403420749 in words is "sixty-three trillion, three hundred fifty-six billion, four hundred three million, four hundred twenty thousand, seven hundred forty-nine".