4821234661 has 2 divisors, whose sum is σ = 4821234662. Its totient is φ = 4821234660.

The previous prime is 4821234647. The next prime is 4821234679. The reversal of 4821234661 is 1664321284.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3735532161 + 1085702500 = 61119^2 + 32950^2 .

It is a cyclic number.

It is not a de Polignac number, because 4821234661 - 2⁷ = 4821234533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4821234661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4821234611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2410617330 + 2410617331.

It is an arithmetic number, because the mean of its divisors is an integer number (2410617331).

Almost surely, 2^4821234661 is an apocalyptic number.

It is an amenable number.

4821234661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4821234661 is an equidigital number, since it uses as much as digits as its factorization.

4821234661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 37.

The square root of 4821234661 is about 69435.1111542280. Note that the first 4 decimals coincide. The cubic root of 4821234661 is about 1689.3491723845.

The spelling of 4821234661 in words is "four billion, eight hundred twenty-one million, two hundred thirty-four thousand, six hundred sixty-one".