4550335661 has 2 divisors, whose sum is σ = 4550335662. Its totient is φ = 4550335660.

The previous prime is 4550335649. The next prime is 4550335667. The reversal of 4550335661 is 1665330554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4182079561 + 368256100 = 64669^2 + 19190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4550335661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4550335667) 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, 2275167830 + 2275167831.

It is an arithmetic number, because the mean of its divisors is an integer number (2275167831).

Almost surely, 2^4550335661 is an apocalyptic number.

It is an amenable number.

4550335661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4550335661 is an equidigital number, since it uses as much as digits as its factorization.

4550335661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 4550335661 is about 67456.1758551432. The cubic root of 4550335661 is about 1657.0965432540.

The spelling of 4550335661 in words is "four billion, five hundred fifty million, three hundred thirty-five thousand, six hundred sixty-one".