338668838517 has 32 divisors (see below), whose sum is σ = 462126389760. Its totient is φ = 220559040000.

The previous prime is 338668838447. The next prime is 338668838549. The reversal of 338668838517 is 715838866833.

It is not a de Polignac number, because 338668838517 - 2³⁰ = 337595096693 is a prime.

It is a super-2 number, since 2×338668838517² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338668838587) by changing a digit.

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, 41191467 + ... + 41199687.

It is an arithmetic number, because the mean of its divisors is an integer number (14441449680).

Almost surely, 2^338668838517 is an apocalyptic number.

It is an amenable number.

338668838517 is a deficient number, since it is larger than the sum of its proper divisors (123457551243).

338668838517 is a wasteful number, since it uses less digits than its factorization.

338668838517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10125.

The product of its digits is 139345920, while the sum is 66.

The spelling of 338668838517 in words is "three hundred thirty-eight billion, six hundred sixty-eight million, eight hundred thirty-eight thousand, five hundred seventeen".