4417887161 has 2 divisors, whose sum is σ = 4417887162. Its totient is φ = 4417887160.

The previous prime is 4417887139. The next prime is 4417887167. The reversal of 4417887161 is 1617887144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3999930025 + 417957136 = 63245^2 + 20444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4417887161 is a prime.

It is not a weakly prime, because it can be changed into another prime (4417887167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2208943580 + 2208943581.

It is an arithmetic number, because the mean of its divisors is an integer number (2208943581).

Almost surely, 2^4417887161 is an apocalyptic number.

It is an amenable number.

4417887161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4417887161 is an equidigital number, since it uses as much as digits as its factorization.

4417887161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 301056, while the sum is 47.

The square root of 4417887161 is about 66467.1886046040. The cubic root of 4417887161 is about 1640.8600437688.

The spelling of 4417887161 in words is "four billion, four hundred seventeen million, eight hundred eighty-seven thousand, one hundred sixty-one".