6441587967 has 16 divisors (see below), whose sum is σ = 8971223040. Its totient is φ = 4106048352.

The previous prime is 6441587923. The next prime is 6441587981. The reversal of 6441587967 is 7697851446.

It is not a de Polignac number, because 6441587967 - 2⁶ = 6441587903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6441587987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350463 + ... + 368384.

It is an arithmetic number, because the mean of its divisors is an integer number (560701440).

Almost surely, 2^6441587967 is an apocalyptic number.

6441587967 is a deficient number, since it is larger than the sum of its proper divisors (2529635073).

6441587967 is a wasteful number, since it uses less digits than its factorization.

6441587967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718982.

The product of its digits is 10160640, while the sum is 57.

The square root of 6441587967 is about 80259.5039045221. The cubic root of 6441587967 is about 1860.6484006595.

The spelling of 6441587967 in words is "six billion, four hundred forty-one million, five hundred eighty-seven thousand, nine hundred sixty-seven".