6441652659 has 16 divisors (see below), whose sum is σ = 9360997632. Its totient is φ = 3916331808.

The previous prime is 6441652541. The next prime is 6441652663. The reversal of 6441652659 is 9562561446.

It is not a de Polignac number, because 6441652659 - 2⁷ = 6441652531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6441659659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991767 + ... + 998240.

It is an arithmetic number, because the mean of its divisors is an integer number (585062352).

Almost surely, 2^6441652659 is an apocalyptic number.

6441652659 is a deficient number, since it is larger than the sum of its proper divisors (2919344973).

6441652659 is a wasteful number, since it uses less digits than its factorization.

6441652659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990106.

The product of its digits is 1555200, while the sum is 48.

The square root of 6441652659 is about 80259.9069212019. The cubic root of 6441652659 is about 1860.6546293857.

The spelling of 6441652659 in words is "six billion, four hundred forty-one million, six hundred fifty-two thousand, six hundred fifty-nine".