409060889 has 2 divisors, whose sum is σ = 409060890. Its totient is φ = 409060888.

The previous prime is 409060867. The next prime is 409060907. The reversal of 409060889 is 988060904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362712025 + 46348864 = 19045^2 + 6808^2 .

It is a cyclic number.

It is not a de Polignac number, because 409060889 - 2²⁴ = 392283673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (409060859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204530444 + 204530445.

It is an arithmetic number, because the mean of its divisors is an integer number (204530445).

Almost surely, 2^409060889 is an apocalyptic number.

It is an amenable number.

409060889 is a deficient number, since it is larger than the sum of its proper divisors (1).

409060889 is an equidigital number, since it uses as much as digits as its factorization.

409060889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 409060889 is about 20225.2537437729. The cubic root of 409060889 is about 742.3282458978.

The spelling of 409060889 in words is "four hundred nine million, sixty thousand, eight hundred eighty-nine".