338503850389 has 4 divisors (see below), whose sum is σ = 344053093900. Its totient is φ = 332954606880.

The previous prime is 338503850387. The next prime is 338503850407. The reversal of 338503850389 is 983058305833.

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 22612640625 + 315891209764 = 150375^2 + 562042^2 .

It is a cyclic number.

It is not a de Polignac number, because 338503850389 - 2¹ = 338503850387 is a prime.

It is a super-2 number, since 2×338503850389² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338503850387) 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, 2774621664 + ... + 2774621785.

It is an arithmetic number, because the mean of its divisors is an integer number (86013273475).

Almost surely, 2^338503850389 is an apocalyptic number.

It is an amenable number.

338503850389 is a deficient number, since it is larger than the sum of its proper divisors (5549243511).

338503850389 is an equidigital number, since it uses as much as digits as its factorization.

338503850389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5549243510.

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 338503850389 in words is "three hundred thirty-eight billion, five hundred three million, eight hundred fifty thousand, three hundred eighty-nine".