4256565063 has 16 divisors (see below), whose sum is σ = 5830954080. Its totient is φ = 2759999616.

The previous prime is 4256565037. The next prime is 4256565067. The reversal of 4256565063 is 3605656524.

It is not a de Polignac number, because 4256565063 - 2⁵ = 4256565031 is a prime.

It is a super-2 number, since 2×4256565063² = 36236692271104387938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256565067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402933 + ... + 413361.

It is an arithmetic number, because the mean of its divisors is an integer number (364434630).

Almost surely, 2^4256565063 is an apocalyptic number.

4256565063 is a deficient number, since it is larger than the sum of its proper divisors (1574389017).

4256565063 is a wasteful number, since it uses less digits than its factorization.

4256565063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14146.

The product of its (nonzero) digits is 648000, while the sum is 42.

The square root of 4256565063 is about 65242.3563568944. The cubic root of 4256565063 is about 1620.6395207873.

The spelling of 4256565063 in words is "four billion, two hundred fifty-six million, five hundred sixty-five thousand, sixty-three".