42643447016263 has 2 divisors, whose sum is σ = 42643447016264. Its totient is φ = 42643447016262.

The previous prime is 42643447016207. The next prime is 42643447016281. The reversal of 42643447016263 is 36261074434624.

42643447016263 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 not a de Polignac number, because 42643447016263 - 2⁹ = 42643447015751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42643447016263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42643447016563) 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, 21321723508131 + 21321723508132.

It is an arithmetic number, because the mean of its divisors is an integer number (21321723508132).

Almost surely, 2^{42643447016263} is an apocalyptic number.

42643447016263 is a deficient number, since it is larger than the sum of its proper divisors (1).

42643447016263 is an equidigital number, since it uses as much as digits as its factorization.

42643447016263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13934592, while the sum is 52.

The spelling of 42643447016263 in words is "forty-two trillion, six hundred forty-three billion, four hundred forty-seven million, sixteen thousand, two hundred sixty-three".