4263445326563 has 4 divisors (see below), whose sum is σ = 4263449461608. Its totient is φ = 4263441191520.

The previous prime is 4263445326541. The next prime is 4263445326593. The reversal of 4263445326563 is 3656235443624.

4263445326563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4263445326563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4263445326593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875003 + ... + 3048363.

It is an arithmetic number, because the mean of its divisors is an integer number (1065862365402).

Almost surely, 2^{4263445326563} is an apocalyptic number.

4263445326563 is a deficient number, since it is larger than the sum of its proper divisors (4135045).

4263445326563 is a wasteful number, since it uses less digits than its factorization.

4263445326563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135044.

The product of its digits is 37324800, while the sum is 53.

The spelling of 4263445326563 in words is "four trillion, two hundred sixty-three billion, four hundred forty-five million, three hundred twenty-six thousand, five hundred sixty-three".