10188649 has 2 divisors, whose sum is σ = 10188650. Its totient is φ = 10188648.

The previous prime is 10188637. The next prime is 10188679. The reversal of 10188649 is 94688101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8643600 + 1545049 = 2940^2 + 1243^2 .

It is a cyclic number.

It is not a de Polignac number, because 10188649 - 2¹¹ = 10186601 is a prime.

It is not a weakly prime, because it can be changed into another prime (10188679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5094324 + 5094325.

It is an arithmetic number, because the mean of its divisors is an integer number (5094325).

Almost surely, 2^10188649 is an apocalyptic number.

It is an amenable number.

10188649 is a deficient number, since it is larger than the sum of its proper divisors (1).

10188649 is an equidigital number, since it uses as much as digits as its factorization.

10188649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 10188649 is about 3191.9663218775. The cubic root of 10188649 is about 216.7898111273.

The spelling of 10188649 in words is "ten million, one hundred eighty-eight thousand, six hundred forty-nine".