438653356834 has 24 divisors (see below), whose sum is σ = 826553435904. Its totient is φ = 170903904600.

The previous prime is 438653356819. The next prime is 438653356837.

438653356834 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (438653356837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129470962 + ... + 129474349.

It is an arithmetic number, because the mean of its divisors is an integer number (34439726496).

Almost surely, 2^438653356834 is an apocalyptic number.

438653356834 is a deficient number, since it is larger than the sum of its proper divisors (387900079070).

438653356834 is a wasteful number, since it uses less digits than its factorization.

438653356834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258945342 (or 258945331 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 58.

The spelling of 438653356834 in words is "four hundred thirty-eight billion, six hundred fifty-three million, three hundred fifty-six thousand, eight hundred thirty-four".