10490009 has 2 divisors, whose sum is σ = 10490010. Its totient is φ = 10490008.

The previous prime is 10489993. The next prime is 10490041. The reversal of 10490009 is 90009401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 2166784 = 2885^2 + 1472^2 .

It is an emirp because it is prime and its reverse (90009401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10490009 - 2⁴ = 10489993 is a prime.

It is a super-2 number, since 2×10490009² = 220080577640162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10490069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5245004 + 5245005.

It is an arithmetic number, because the mean of its divisors is an integer number (5245005).

Almost surely, 2^10490009 is an apocalyptic number.

It is an amenable number.

10490009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10490009 is an equidigital number, since it uses as much as digits as its factorization.

10490009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 10490009 is about 3238.8283375320. The cubic root of 10490009 is about 218.9064813416.

The spelling of 10490009 in words is "ten million, four hundred ninety thousand, nine".