63942225353 has 2 divisors, whose sum is σ = 63942225354. Its totient is φ = 63942225352.

The previous prime is 63942225349. The next prime is 63942225427. The reversal of 63942225353 is 35352224936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51693933769 + 12248291584 = 227363^2 + 110672^2 .

It is a cyclic number.

It is not a de Polignac number, because 63942225353 - 2² = 63942225349 is a prime.

It is not a weakly prime, because it can be changed into another prime (63942225253) 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, 31971112676 + 31971112677.

It is an arithmetic number, because the mean of its divisors is an integer number (31971112677).

Almost surely, 2^63942225353 is an apocalyptic number.

It is an amenable number.

63942225353 is a deficient number, since it is larger than the sum of its proper divisors (1).

63942225353 is an equidigital number, since it uses as much as digits as its factorization.

63942225353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 44.

The spelling of 63942225353 in words is "sixty-three billion, nine hundred forty-two million, two hundred twenty-five thousand, three hundred fifty-three".