6563042455 has 4 divisors (see below), whose sum is σ = 7875650952. Its totient is φ = 5250433960.

The previous prime is 6563042411. The next prime is 6563042467. The reversal of 6563042455 is 5542403656.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6563042455 - 2⁷ = 6563042327 is a prime.

It is a super-2 number, since 2×6563042455² = 86147052532264854050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 3 ways as a sum of consecutive naturals, for example, 656304241 + ... + 656304250.

It is an arithmetic number, because the mean of its divisors is an integer number (1968912738).

Almost surely, 2^6563042455 is an apocalyptic number.

6563042455 is a deficient number, since it is larger than the sum of its proper divisors (1312608497).

6563042455 is a wasteful number, since it uses less digits than its factorization.

6563042455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312608496.

The product of its (nonzero) digits is 432000, while the sum is 40.

The square root of 6563042455 is about 81012.6067658608. The cubic root of 6563042455 is about 1872.2696811138.

The spelling of 6563042455 in words is "six billion, five hundred sixty-three million, forty-two thousand, four hundred fifty-five".