6460220563 has 2 divisors, whose sum is σ = 6460220564. Its totient is φ = 6460220562.

The previous prime is 6460220539. The next prime is 6460220651. The reversal of 6460220563 is 3650220646.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6460220563 is a prime.

It is not a weakly prime, because it can be changed into another prime (6460220513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3230110281 + 3230110282.

It is an arithmetic number, because the mean of its divisors is an integer number (3230110282).

Almost surely, 2^6460220563 is an apocalyptic number.

6460220563 is a deficient number, since it is larger than the sum of its proper divisors (1).

6460220563 is an equidigital number, since it uses as much as digits as its factorization.

6460220563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 6460220563 is about 80375.4972799547. The cubic root of 6460220563 is about 1862.4406780079.

The spelling of 6460220563 in words is "six billion, four hundred sixty million, two hundred twenty thousand, five hundred sixty-three".