3848851372138 has 32 divisors (see below), whose sum is σ = 6107821977600. Its totient is φ = 1815286654896.

The previous prime is 3848851372087. The next prime is 3848851372139. The reversal of 3848851372138 is 8312731588483.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3848851372139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2417745 + ... + 3680107.

It is an arithmetic number, because the mean of its divisors is an integer number (190869436800).

Almost surely, 2^{3848851372138} is an apocalyptic number.

3848851372138 is a deficient number, since it is larger than the sum of its proper divisors (2258970605462).

3848851372138 is a wasteful number, since it uses less digits than its factorization.

3848851372138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263306.

The product of its digits is 30965760, while the sum is 61.

The spelling of 3848851372138 in words is "three trillion, eight hundred forty-eight billion, eight hundred fifty-one million, three hundred seventy-two thousand, one hundred thirty-eight".