63134451349 has 2 divisors, whose sum is σ = 63134451350. Its totient is φ = 63134451348.

The previous prime is 63134451343. The next prime is 63134451371. The reversal of 63134451349 is 94315443136.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60556350724 + 2578100625 = 246082^2 + 50775^2 .

It is a cyclic number.

It is not a de Polignac number, because 63134451349 - 2⁷ = 63134451221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63134451343) 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, 31567225674 + 31567225675.

It is an arithmetic number, because the mean of its divisors is an integer number (31567225675).

Almost surely, 2^63134451349 is an apocalyptic number.

It is an amenable number.

63134451349 is a deficient number, since it is larger than the sum of its proper divisors (1).

63134451349 is an equidigital number, since it uses as much as digits as its factorization.

63134451349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 43.

The spelling of 63134451349 in words is "sixty-three billion, one hundred thirty-four million, four hundred fifty-one thousand, three hundred forty-nine".