4242663461 has 2 divisors, whose sum is σ = 4242663462. Its totient is φ = 4242663460.

The previous prime is 4242663457. The next prime is 4242663517. The reversal of 4242663461 is 1643662424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2202424900 + 2040238561 = 46930^2 + 45169^2 .

It is a cyclic number.

It is not a de Polignac number, because 4242663461 - 2² = 4242663457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4242663401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121331730 + 2121331731.

It is an arithmetic number, because the mean of its divisors is an integer number (2121331731).

Almost surely, 2^4242663461 is an apocalyptic number.

It is an amenable number.

4242663461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242663461 is an equidigital number, since it uses as much as digits as its factorization.

4242663461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 38.

The square root of 4242663461 is about 65135.7310621444. The cubic root of 4242663461 is about 1618.8733034760.

The spelling of 4242663461 in words is "four billion, two hundred forty-two million, six hundred sixty-three thousand, four hundred sixty-one".