4256431346663 has 8 divisors (see below), whose sum is σ = 4264141948560. Its totient is φ = 4248726793920.

The previous prime is 4256431346549. The next prime is 4256431346669. The reversal of 4256431346663 is 3666431346524.

4256431346663 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4256431346663 - 2¹⁶ = 4256431281127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256431346669) 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 in 7 ways as a sum of consecutive naturals, for example, 102545 + ... + 2919482.

It is an arithmetic number, because the mean of its divisors is an integer number (533017743570).

Almost surely, 2^{4256431346663} is an apocalyptic number.

4256431346663 is a deficient number, since it is larger than the sum of its proper divisors (7710601897).

4256431346663 is a wasteful number, since it uses less digits than its factorization.

4256431346663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024577.

The product of its digits is 22394880, while the sum is 53.

The spelling of 4256431346663 in words is "four trillion, two hundred fifty-six billion, four hundred thirty-one million, three hundred forty-six thousand, six hundred sixty-three".