63779704243 has 2 divisors, whose sum is σ = 63779704244. Its totient is φ = 63779704242.

The previous prime is 63779704229. The next prime is 63779704271. The reversal of 63779704243 is 34240797736.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63779704243 - 2²⁹ = 63242833331 is a prime.

It is not a weakly prime, because it can be changed into another prime (63779704213) 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, 31889852121 + 31889852122.

It is an arithmetic number, because the mean of its divisors is an integer number (31889852122).

Almost surely, 2^63779704243 is an apocalyptic number.

63779704243 is a deficient number, since it is larger than the sum of its proper divisors (1).

63779704243 is an equidigital number, since it uses as much as digits as its factorization.

63779704243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5334336, while the sum is 52.

The spelling of 63779704243 in words is "sixty-three billion, seven hundred seventy-nine million, seven hundred four thousand, two hundred forty-three".