63447873343 has 2 divisors, whose sum is σ = 63447873344. Its totient is φ = 63447873342.

The previous prime is 63447873311. The next prime is 63447873361. The reversal of 63447873343 is 34337874436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63447873343 - 2⁵ = 63447873311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63447873143) 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, 31723936671 + 31723936672.

It is an arithmetic number, because the mean of its divisors is an integer number (31723936672).

Almost surely, 2^63447873343 is an apocalyptic number.

63447873343 is a deficient number, since it is larger than the sum of its proper divisors (1).

63447873343 is an equidigital number, since it uses as much as digits as its factorization.

63447873343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 52.

The spelling of 63447873343 in words is "sixty-three billion, four hundred forty-seven million, eight hundred seventy-three thousand, three hundred forty-three".