63673050449 has 2 divisors, whose sum is σ = 63673050450. Its totient is φ = 63673050448.

The previous prime is 63673050433. The next prime is 63673050487. The reversal of 63673050449 is 94405037636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62166446224 + 1506604225 = 249332^2 + 38815^2 .

It is a cyclic number.

It is not a de Polignac number, because 63673050449 - 2⁴ = 63673050433 is a prime.

It is not a weakly prime, because it can be changed into another prime (63673050409) 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, 31836525224 + 31836525225.

It is an arithmetic number, because the mean of its divisors is an integer number (31836525225).

Almost surely, 2^63673050449 is an apocalyptic number.

It is an amenable number.

63673050449 is a deficient number, since it is larger than the sum of its proper divisors (1).

63673050449 is an equidigital number, since it uses as much as digits as its factorization.

63673050449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 63673050449 in words is "sixty-three billion, six hundred seventy-three million, fifty thousand, four hundred forty-nine".