4374042661 has 2 divisors, whose sum is σ = 4374042662. Its totient is φ = 4374042660.

The previous prime is 4374042613. The next prime is 4374042679. The reversal of 4374042661 is 1662404734.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4366698561 + 7344100 = 66081^2 + 2710^2 .

It is a cyclic number.

It is not a de Polignac number, because 4374042661 - 2²¹ = 4371945509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4374042661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4374042161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2187021330 + 2187021331.

It is an arithmetic number, because the mean of its divisors is an integer number (2187021331).

Almost surely, 2^4374042661 is an apocalyptic number.

It is an amenable number.

4374042661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4374042661 is an equidigital number, since it uses as much as digits as its factorization.

4374042661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 4374042661 is about 66136.5455780690. The cubic root of 4374042661 is about 1635.4138504165.

The spelling of 4374042661 in words is "four billion, three hundred seventy-four million, forty-two thousand, six hundred sixty-one".