63566493441 has 24 divisors (see below), whose sum is σ = 93322576032. Its totient is φ = 38458252800.

The previous prime is 63566493433. The next prime is 63566493481. The reversal of 63566493441 is 14439466536.

It is not a de Polignac number, because 63566493441 - 2³ = 63566493433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63566493481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57706 + ... + 361196.

It is an arithmetic number, because the mean of its divisors is an integer number (3888440668).

Almost surely, 2^63566493441 is an apocalyptic number.

It is an amenable number.

63566493441 is a deficient number, since it is larger than the sum of its proper divisors (29756082591).

63566493441 is a wasteful number, since it uses less digits than its factorization.

63566493441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304093 (or 304082 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 51.

The spelling of 63566493441 in words is "sixty-three billion, five hundred sixty-six million, four hundred ninety-three thousand, four hundred forty-one".