338361128249 has 4 divisors (see below), whose sum is σ = 339565260660. Its totient is φ = 337156995840.

The previous prime is 338361128239. The next prime is 338361128293. The reversal of 338361128249 is 942821163833.

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 268153087225 + 70208041024 = 517835^2 + 264968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338361128249 is a prime.

It is a super-2 number, since 2×338361128249² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 338361128197 and 338361128206.

It is not an unprimeable number, because it can be changed into a prime (338361128239) 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, 602065784 + ... + 602066345.

It is an arithmetic number, because the mean of its divisors is an integer number (84891315165).

Almost surely, 2^338361128249 is an apocalyptic number.

It is an amenable number.

338361128249 is a deficient number, since it is larger than the sum of its proper divisors (1204132411).

338361128249 is a wasteful number, since it uses less digits than its factorization.

338361128249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204132410.

The product of its digits is 1492992, while the sum is 50.

The spelling of 338361128249 in words is "three hundred thirty-eight billion, three hundred sixty-one million, one hundred twenty-eight thousand, two hundred forty-nine".