6459441556 has 24 divisors (see below), whose sum is σ = 11711700000. Its totient is φ = 3113582304.

The previous prime is 6459441529. The next prime is 6459441559. The reversal of 6459441556 is 6551449546.

It is a super-2 number, since 2×6459441556² = 83448770430759402272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6459441559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34195 + ... + 118693.

It is an arithmetic number, because the mean of its divisors is an integer number (487987500).

Almost surely, 2^6459441556 is an apocalyptic number.

It is an amenable number.

6459441556 is a deficient number, since it is larger than the sum of its proper divisors (5252258444).

6459441556 is a wasteful number, since it uses less digits than its factorization.

6459441556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85191 (or 85189 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 49.

The square root of 6459441556 is about 80370.6510860774. The cubic root of 6459441556 is about 1862.3658140703.

The spelling of 6459441556 in words is "six billion, four hundred fifty-nine million, four hundred forty-one thousand, five hundred fifty-six".