6441056575 has 6 divisors (see below), whose sum is σ = 7986910184. Its totient is φ = 5152845240.

The previous prime is 6441056569. The next prime is 6441056599. The reversal of 6441056575 is 5756501446.

It is a de Polignac number, because none of the positive numbers 2^k-6441056575 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128821107 + ... + 128821156.

Almost surely, 2^6441056575 is an apocalyptic number.

6441056575 is a deficient number, since it is larger than the sum of its proper divisors (1545853609).

6441056575 is a wasteful number, since it uses less digits than its factorization.

6441056575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257642273 (or 257642268 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 6441056575 is about 80256.1933747172. The cubic root of 6441056575 is about 1860.5972351772.

The spelling of 6441056575 in words is "six billion, four hundred forty-one million, fifty-six thousand, five hundred seventy-five".