3839248920891 has 8 divisors (see below), whose sum is σ = 5227913424384. Its totient is φ = 2505041849000.

The previous prime is 3839248920877. The next prime is 3839248920937. The reversal of 3839248920891 is 1980298429383.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3839248920891 - 2¹⁴ = 3839248904507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3839248920491) 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, 13614357735 + ... + 13614358016.

It is an arithmetic number, because the mean of its divisors is an integer number (653489178048).

Almost surely, 2^{3839248920891} is an apocalyptic number.

3839248920891 is a deficient number, since it is larger than the sum of its proper divisors (1388664503493).

3839248920891 is a wasteful number, since it uses less digits than its factorization.

3839248920891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27228715801.

The product of its (nonzero) digits is 53747712, while the sum is 66.

The spelling of 3839248920891 in words is "three trillion, eight hundred thirty-nine billion, two hundred forty-eight million, nine hundred twenty thousand, eight hundred ninety-one".