6441156875 has 20 divisors (see below), whose sum is σ = 8059451400. Its totient is φ = 5146152000.

The previous prime is 6441156871. The next prime is 6441156893. The reversal of 6441156875 is 5786511446.

6441156875 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6441156875 - 2² = 6441156871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6441156871) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 499256 + ... + 511994.

It is an arithmetic number, because the mean of its divisors is an integer number (402972570).

Almost surely, 2^6441156875 is an apocalyptic number.

6441156875 is a deficient number, since it is larger than the sum of its proper divisors (1618294525).

6441156875 is an equidigital number, since it uses as much as digits as its factorization.

6441156875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13568 (or 13553 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 6441156875 is about 80256.8182461777. The cubic root of 6441156875 is about 1860.6068928544.

The spelling of 6441156875 in words is "six billion, four hundred forty-one million, one hundred fifty-six thousand, eight hundred seventy-five".