438934555697 has 8 divisors (see below), whose sum is σ = 478912979712. Its totient is φ = 398968678800.

The previous prime is 438934555693. The next prime is 438934555751. The reversal of 438934555697 is 796555439834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 438934555697 - 2² = 438934555693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438934555693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3063554 + ... + 3203627.

It is an arithmetic number, because the mean of its divisors is an integer number (59864122464).

Almost surely, 2^438934555697 is an apocalyptic number.

It is an amenable number.

438934555697 is a deficient number, since it is larger than the sum of its proper divisors (39978424015).

438934555697 is a wasteful number, since it uses less digits than its factorization.

438934555697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273559.

The product of its digits is 489888000, while the sum is 68.

The spelling of 438934555697 in words is "four hundred thirty-eight billion, nine hundred thirty-four million, five hundred fifty-five thousand, six hundred ninety-seven".