438383135068 has 6 divisors (see below), whose sum is σ = 767170486376. Its totient is φ = 219191567532.

The previous prime is 438383135017. The next prime is 438383135081. The reversal of 438383135068 is 860531383834.

It is a super-2 number, since 2×438383135068² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54797891880 + ... + 54797891887.

Almost surely, 2^438383135068 is an apocalyptic number.

It is an amenable number.

438383135068 is a deficient number, since it is larger than the sum of its proper divisors (328787351308).

438383135068 is a wasteful number, since it uses less digits than its factorization.

438383135068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109595783771 (or 109595783769 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 438383135068 in words is "four hundred thirty-eight billion, three hundred eighty-three million, one hundred thirty-five thousand, sixty-eight".