38950904659243 has 4 divisors (see below), whose sum is σ = 38980435293360. Its totient is φ = 38921374025128.

The previous prime is 38950904659241. The next prime is 38950904659259. The reversal of 38950904659243 is 34295640905983.

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

It is a cyclic number.

It is not a de Polignac number, because 38950904659243 - 2¹ = 38950904659241 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38950904659241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14765315080 + ... + 14765317717.

It is an arithmetic number, because the mean of its divisors is an integer number (9745108823340).

Almost surely, 2^{38950904659243} is an apocalyptic number.

38950904659243 is a deficient number, since it is larger than the sum of its proper divisors (29530634117).

38950904659243 is a wasteful number, since it uses less digits than its factorization.

38950904659243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29530634116.

The product of its (nonzero) digits is 251942400, while the sum is 67.

The spelling of 38950904659243 in words is "thirty-eight trillion, nine hundred fifty billion, nine hundred four million, six hundred fifty-nine thousand, two hundred forty-three".