338781187833 has 8 divisors (see below), whose sum is σ = 492772636896. Its totient is φ = 205321932000.

The previous prime is 338781187831. The next prime is 338781187853.

It is a happy number.

338781187833 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 338781187833 - 2¹ = 338781187831 is a prime.

It is a super-4 number, since 4×338781187833⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (338781187831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5133048268 + ... + 5133048333.

It is an arithmetic number, because the mean of its divisors is an integer number (61596579612).

Almost surely, 2^338781187833 is an apocalyptic number.

338781187833 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

338781187833 is a deficient number, since it is larger than the sum of its proper divisors (153991449063).

338781187833 is a wasteful number, since it uses less digits than its factorization.

338781187833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10266096615.

The product of its digits is 16257024, while the sum is 60.

The spelling of 338781187833 in words is "three hundred thirty-eight billion, seven hundred eighty-one million, one hundred eighty-seven thousand, eight hundred thirty-three".