4594018661 has 2 divisors, whose sum is σ = 4594018662. Its totient is φ = 4594018660.

The previous prime is 4594018631. The next prime is 4594018687. The reversal of 4594018661 is 1668104954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3134320225 + 1459698436 = 55985^2 + 38206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4594018661 is a prime.

It is a super-2 number, since 2×4594018661² = 42210014915232465842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4594018631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2297009330 + 2297009331.

It is an arithmetic number, because the mean of its divisors is an integer number (2297009331).

Almost surely, 2^4594018661 is an apocalyptic number.

It is an amenable number.

4594018661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4594018661 is an equidigital number, since it uses as much as digits as its factorization.

4594018661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 4594018661 is about 67779.1904717075. The cubic root of 4594018661 is about 1662.3823466290.

The spelling of 4594018661 in words is "four billion, five hundred ninety-four million, eighteen thousand, six hundred sixty-one".