4426520531663 has 4 divisors (see below), whose sum is σ = 4467130811880. Its totient is φ = 4385910251448.

The previous prime is 4426520531639. The next prime is 4426520531669. The reversal of 4426520531663 is 3661350256244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4426520531663 - 2¹⁸ = 4426520269519 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 (4426520531669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20305139945 + ... + 20305140162.

It is an arithmetic number, because the mean of its divisors is an integer number (1116782702970).

Almost surely, 2^{4426520531663} is an apocalyptic number.

4426520531663 is a deficient number, since it is larger than the sum of its proper divisors (40610280217).

4426520531663 is a wasteful number, since it uses less digits than its factorization.

4426520531663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40610280216.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 4426520531663 in words is "four trillion, four hundred twenty-six billion, five hundred twenty million, five hundred thirty-one thousand, six hundred sixty-three".