4045224661 has 2 divisors, whose sum is σ = 4045224662. Its totient is φ = 4045224660.

The previous prime is 4045224649. The next prime is 4045224679. The reversal of 4045224661 is 1664225404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4037967025 + 7257636 = 63545^2 + 2694^2 .

It is a cyclic number.

It is not a de Polignac number, because 4045224661 - 2⁹ = 4045224149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4045225661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022612330 + 2022612331.

It is an arithmetic number, because the mean of its divisors is an integer number (2022612331).

Almost surely, 2^4045224661 is an apocalyptic number.

It is an amenable number.

4045224661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4045224661 is an equidigital number, since it uses as much as digits as its factorization.

4045224661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 4045224661 is about 63602.0806342057. The cubic root of 4045224661 is about 1593.3611191222.

The spelling of 4045224661 in words is "four billion, forty-five million, two hundred twenty-four thousand, six hundred sixty-one".