6456566445 has 16 divisors (see below), whose sum is σ = 11806293120. Its totient is φ = 2951573184.

The previous prime is 6456566437. The next prime is 6456566449. The reversal of 6456566445 is 5446656546.

It is not a de Polignac number, because 6456566445 - 2³ = 6456566437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6456566449) 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, 30745450 + ... + 30745659.

It is an arithmetic number, because the mean of its divisors is an integer number (737893320).

Almost surely, 2^6456566445 is an apocalyptic number.

It is an amenable number.

6456566445 is a deficient number, since it is larger than the sum of its proper divisors (5349726675).

6456566445 is a wasteful number, since it uses less digits than its factorization.

6456566445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61491124.

The product of its digits is 10368000, while the sum is 51.

The square root of 6456566445 is about 80352.7625225169. The cubic root of 6456566445 is about 1862.0894587527.

The spelling of 6456566445 in words is "six billion, four hundred fifty-six million, five hundred sixty-six thousand, four hundred forty-five".