438383135067 has 32 divisors (see below), whose sum is σ = 605837413440. Its totient is φ = 281764116480.

The previous prime is 438383135017. The next prime is 438383135081. The reversal of 438383135067 is 760531383834.

It is a happy number.

It is not a de Polignac number, because 438383135067 - 2⁷ = 438383134939 is a prime.

It is a super-2 number, since 2×438383135067² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (438383135017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21150193 + ... + 21170909.

It is an arithmetic number, because the mean of its divisors is an integer number (18932419170).

Almost surely, 2^438383135067 is an apocalyptic number.

438383135067 is a deficient number, since it is larger than the sum of its proper divisors (167454278373).

438383135067 is a wasteful number, since it uses less digits than its factorization.

438383135067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22783.

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 438383135067 in words is "four hundred thirty-eight billion, three hundred eighty-three million, one hundred thirty-five thousand, sixty-seven".