438463364834 has 64 divisors (see below), whose sum is σ = 773680647168. Its totient is φ = 184358328000.

The previous prime is 438463364827. The next prime is 438463364879.

438463364834 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 438463364834.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2097797 + ... + 2297319.

It is an arithmetic number, because the mean of its divisors is an integer number (12088760112).

Almost surely, 2^438463364834 is an apocalyptic number.

438463364834 is a deficient number, since it is larger than the sum of its proper divisors (335217282334).

438463364834 is a wasteful number, since it uses less digits than its factorization.

438463364834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199703.

The product of its digits is 47775744, while the sum is 56.

The spelling of 438463364834 in words is "four hundred thirty-eight billion, four hundred sixty-three million, three hundred sixty-four thousand, eight hundred thirty-four".