4718229661 has 2 divisors, whose sum is σ = 4718229662. Its totient is φ = 4718229660.

The previous prime is 4718229641. The next prime is 4718229673. The reversal of 4718229661 is 1669228174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4346896761 + 371332900 = 65931^2 + 19270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4718229661 is a prime.

It is a super-2 number, since 2×4718229661² = 44523382267880349842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4718229601) 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, 2359114830 + 2359114831.

It is an arithmetic number, because the mean of its divisors is an integer number (2359114831).

Almost surely, 2^4718229661 is an apocalyptic number.

It is an amenable number.

4718229661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4718229661 is an equidigital number, since it uses as much as digits as its factorization.

4718229661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 46.

The square root of 4718229661 is about 68689.3708007287. The cubic root of 4718229661 is about 1677.2315587577.

The spelling of 4718229661 in words is "four billion, seven hundred eighteen million, two hundred twenty-nine thousand, six hundred sixty-one".