10099919 has 2 divisors, whose sum is σ = 10099920. Its totient is φ = 10099918.

The previous prime is 10099907. The next prime is 10099933. The reversal of 10099919 is 91999001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10099919 - 2¹² = 10095823 is a prime.

It is a super-2 number, since 2×10099919² = 204016727613122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10099939) 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, 5049959 + 5049960.

It is an arithmetic number, because the mean of its divisors is an integer number (5049960).

Almost surely, 2^10099919 is an apocalyptic number.

10099919 is a deficient number, since it is larger than the sum of its proper divisors (1).

10099919 is an equidigital number, since it uses as much as digits as its factorization.

10099919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6561, while the sum is 38.

The square root of 10099919 is about 3178.0369727239. The cubic root of 10099919 is about 216.1586554415.

The spelling of 10099919 in words is "ten million, ninety-nine thousand, nine hundred nineteen".