338660363066833 has 4 divisors (see below), whose sum is σ = 338660918715060. Its totient is φ = 338659807418608.

The previous prime is 338660363066821. The next prime is 338660363066951.

It is a happy number.

338660363066833 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 322018108088769 + 16642254978064 = 17944863^2 + 4079492^2 .

It is a cyclic number.

It is not a de Polignac number, because 338660363066833 - 2⁹ = 338660363066321 is a prime.

It is a super-2 number, since 2×338660363066833² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338660363066033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276908878 + ... + 278129191.

It is an arithmetic number, because the mean of its divisors is an integer number (84665229678765).

Almost surely, 2^{338660363066833} is an apocalyptic number.

It is an amenable number.

338660363066833 is a deficient number, since it is larger than the sum of its proper divisors (555648227).

338660363066833 is an equidigital number, since it uses as much as digits as its factorization.

338660363066833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555648226.

The product of its (nonzero) digits is 362797056, while the sum is 64.

The spelling of 338660363066833 in words is "three hundred thirty-eight trillion, six hundred sixty billion, three hundred sixty-three million, sixty-six thousand, eight hundred thirty-three".