4385385840563 has 16 divisors (see below), whose sum is σ = 5571507572736. Its totient is φ = 3357828220320.

The previous prime is 4385385840557. The next prime is 4385385840587. The reversal of 4385385840563 is 3650485835834.

It is a happy number.

It is not a de Polignac number, because 4385385840563 - 2⁶ = 4385385840499 is a prime.

It is a super-2 number, since 2×4385385840563² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4385385840496 and 4385385840505.

It is not an unprimeable number, because it can be changed into a prime (4385385840523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777272231 + ... + 777277872.

It is an arithmetic number, because the mean of its divisors is an integer number (348219223296).

Almost surely, 2^{4385385840563} is an apocalyptic number.

4385385840563 is a deficient number, since it is larger than the sum of its proper divisors (1186121732173).

4385385840563 is a wasteful number, since it uses less digits than its factorization.

4385385840563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554550154.

The product of its (nonzero) digits is 165888000, while the sum is 62.

The spelling of 4385385840563 in words is "four trillion, three hundred eighty-five billion, three hundred eighty-five million, eight hundred forty thousand, five hundred sixty-three".