4647961663 has 2 divisors, whose sum is σ = 4647961664. Its totient is φ = 4647961662.

The previous prime is 4647961639. The next prime is 4647961691. The reversal of 4647961663 is 3661697464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4647961663 - 2⁹ = 4647961151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4647961663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4647964663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2323980831 + 2323980832.

It is an arithmetic number, because the mean of its divisors is an integer number (2323980832).

Almost surely, 2^4647961663 is an apocalyptic number.

4647961663 is a deficient number, since it is larger than the sum of its proper divisors (1).

4647961663 is an equidigital number, since it uses as much as digits as its factorization.

4647961663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 52.

The square root of 4647961663 is about 68175.9610346638. The cubic root of 4647961663 is about 1668.8636134536.

The spelling of 4647961663 in words is "four billion, six hundred forty-seven million, nine hundred sixty-one thousand, six hundred sixty-three".