4017475661 has 2 divisors, whose sum is σ = 4017475662. Its totient is φ = 4017475660.

The previous prime is 4017475639. The next prime is 4017475663. The reversal of 4017475661 is 1665747104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2361474025 + 1656001636 = 48595^2 + 40694^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4017475661 is a prime.

It is a super-2 number, since 2×4017475661² = 32280221373454773842, which contains 22 as substring.

Together with 4017475663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4017475663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2008737830 + 2008737831.

It is an arithmetic number, because the mean of its divisors is an integer number (2008737831).

Almost surely, 2^4017475661 is an apocalyptic number.

It is an amenable number.

4017475661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4017475661 is an equidigital number, since it uses as much as digits as its factorization.

4017475661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 4017475661 is about 63383.5598637375. The cubic root of 4017475661 is about 1589.7094337380.

The spelling of 4017475661 in words is "four billion, seventeen million, four hundred seventy-five thousand, six hundred sixty-one".