10109999 has 8 divisors (see below), whose sum is σ = 10542720. Its totient is φ = 9684000.

The previous prime is 10109993. The next prime is 10110007. The reversal of 10109999 is 99990101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10109999 is a prime.

It is a Duffinian number.

10109999 is a modest number, since divided by 9999 gives 1010 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10109993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517 + ... + 4745.

It is an arithmetic number, because the mean of its divisors is an integer number (1317840).

Almost surely, 2^10109999 is an apocalyptic number.

10109999 is a deficient number, since it is larger than the sum of its proper divisors (432721).

10109999 is a wasteful number, since it uses less digits than its factorization.

10109999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361.

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

The square root of 10109999 is about 3179.6224618656. The cubic root of 10109999 is about 216.2305423147.

The spelling of 10109999 in words is "ten million, one hundred nine thousand, nine hundred ninety-nine".