38243366334281 has 4 divisors (see below), whose sum is σ = 38673067079700. Its totient is φ = 37813665588864.

The previous prime is 38243366334241. The next prime is 38243366334319. The reversal of 38243366334281 is 18243366334283.

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 11668475287225 + 26574891047056 = 3415915^2 + 5155084^2 .

It is a cyclic number.

It is not a de Polignac number, because 38243366334281 - 2³⁴ = 38226186465097 is a prime.

It is a super-2 number, since 2×38243366334281² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38243366334241) 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, 214850372576 + ... + 214850372753.

It is an arithmetic number, because the mean of its divisors is an integer number (9668266769925).

Almost surely, 2^{38243366334281} is an apocalyptic number.

It is an amenable number.

38243366334281 is a deficient number, since it is larger than the sum of its proper divisors (429700745419).

38243366334281 is an equidigital number, since it uses as much as digits as its factorization.

38243366334281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429700745418.

The product of its digits is 35831808, while the sum is 56.

The spelling of 38243366334281 in words is "thirty-eight trillion, two hundred forty-three billion, three hundred sixty-six million, three hundred thirty-four thousand, two hundred eighty-one".