10188449 has 2 divisors, whose sum is σ = 10188450. Its totient is φ = 10188448.

The previous prime is 10188443. The next prime is 10188461. The reversal of 10188449 is 94488101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8065600 + 2122849 = 2840^2 + 1457^2 .

It is an emirp because it is prime and its reverse (94488101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10188449 - 2¹⁶ = 10122913 is a prime.

It is not a weakly prime, because it can be changed into another prime (10188443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5094224 + 5094225.

It is an arithmetic number, because the mean of its divisors is an integer number (5094225).

Almost surely, 2^10188449 is an apocalyptic number.

It is an amenable number.

10188449 is a deficient number, since it is larger than the sum of its proper divisors (1).

10188449 is an equidigital number, since it uses as much as digits as its factorization.

10188449 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 10188449 is about 3191.9349930724. The cubic root of 10188449 is about 216.7883926126.

The spelling of 10188449 in words is "ten million, one hundred eighty-eight thousand, four hundred forty-nine".