8042143851 has 24 divisors (see below), whose sum is σ = 13974654720. Its totient is φ = 4353641136.

The previous prime is 8042143819. The next prime is 8042143859. The reversal of 8042143851 is 1583412408.

It is not a de Polignac number, because 8042143851 - 2⁵ = 8042143819 is a prime.

It is a super-2 number, since 2×8042143851² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8042143859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3358095 + ... + 3360488.

It is an arithmetic number, because the mean of its divisors is an integer number (582277280).

Almost surely, 2^8042143851 is an apocalyptic number.

8042143851 is a deficient number, since it is larger than the sum of its proper divisors (5932510869).

8042143851 is a wasteful number, since it uses less digits than its factorization.

8042143851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6718615 (or 6718612 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 8042143851 is about 89678.0009311091. Note that the first 3 decimals coincide. The cubic root of 8042143851 is about 2003.5058385406.

The spelling of 8042143851 in words is "eight billion, forty-two million, one hundred forty-three thousand, eight hundred fifty-one".