438620629563 has 6 divisors (see below), whose sum is σ = 633563131604. Its totient is φ = 292413753036.

The previous prime is 438620629561. The next prime is 438620629571. The reversal of 438620629563 is 365926026834.

It is a happy number.

438620629563 is a `hidden beast` number, since 4 + 3 + 8 + 6 + 2 + 0 + 629 + 5 + 6 + 3 = 666.

It is not a de Polignac number, because 438620629563 - 2¹ = 438620629561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438620629561) 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 5 ways as a sum of consecutive naturals, for example, 24367812745 + ... + 24367812762.

Almost surely, 2^438620629563 is an apocalyptic number.

438620629563 is a deficient number, since it is larger than the sum of its proper divisors (194942502041).

438620629563 is a wasteful number, since it uses less digits than its factorization.

438620629563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48735625513 (or 48735625510 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 438620629563 in words is "four hundred thirty-eight billion, six hundred twenty million, six hundred twenty-nine thousand, five hundred sixty-three".