63442035343 has 2 divisors, whose sum is σ = 63442035344. Its totient is φ = 63442035342.

The previous prime is 63442035313. The next prime is 63442035359. The reversal of 63442035343 is 34353024436.

63442035343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63442035343 is a prime.

It is a super-2 number, since 2×63442035343² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63442035313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31721017671 + 31721017672.

It is an arithmetic number, because the mean of its divisors is an integer number (31721017672).

Almost surely, 2^63442035343 is an apocalyptic number.

63442035343 is a deficient number, since it is larger than the sum of its proper divisors (1).

63442035343 is an equidigital number, since it uses as much as digits as its factorization.

63442035343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 37.

Adding to 63442035343 its reverse (34353024436), we get a palindrome (97795059779).

The spelling of 63442035343 in words is "sixty-three billion, four hundred forty-two million, thirty-five thousand, three hundred forty-three".