63843241279 has 2 divisors, whose sum is σ = 63843241280. Its totient is φ = 63843241278.

The previous prime is 63843241219. The next prime is 63843241309. The reversal of 63843241279 is 97214234836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63843241279 - 2¹¹ = 63843239231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63843241219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31921620639 + 31921620640.

It is an arithmetic number, because the mean of its divisors is an integer number (31921620640).

Almost surely, 2^63843241279 is an apocalyptic number.

63843241279 is a deficient number, since it is larger than the sum of its proper divisors (1).

63843241279 is an equidigital number, since it uses as much as digits as its factorization.

63843241279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 49.

The spelling of 63843241279 in words is "sixty-three billion, eight hundred forty-three million, two hundred forty-one thousand, two hundred seventy-nine".