10418489 has 2 divisors, whose sum is σ = 10418490. Its totient is φ = 10418488.

The previous prime is 10418461. The next prime is 10418491. The reversal of 10418489 is 98481401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9765625 + 652864 = 3125^2 + 808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10418489 is a prime.

Together with 10418491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10418689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5209244 + 5209245.

It is an arithmetic number, because the mean of its divisors is an integer number (5209245).

Almost surely, 2^10418489 is an apocalyptic number.

It is an amenable number.

10418489 is a deficient number, since it is larger than the sum of its proper divisors (1).

10418489 is an equidigital number, since it uses as much as digits as its factorization.

10418489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 10418489 is about 3227.7684241593. The cubic root of 10418489 is about 218.4078510799.

The spelling of 10418489 in words is "ten million, four hundred eighteen thousand, four hundred eighty-nine".