10099819 has 4 divisors (see below), whose sum is σ = 10693944. Its totient is φ = 9505696.

The previous prime is 10099813. The next prime is 10099823. The reversal of 10099819 is 91899001.

10099819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10099819 is a prime.

It is a super-2 number, since 2×10099819² = 204012687665522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10099813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297037 + ... + 297070.

It is an arithmetic number, because the mean of its divisors is an integer number (2673486).

Almost surely, 2^10099819 is an apocalyptic number.

10099819 is a deficient number, since it is larger than the sum of its proper divisors (594125).

10099819 is an equidigital number, since it uses as much as digits as its factorization.

10099819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594124.

The product of its (nonzero) digits is 5832, while the sum is 37.

The square root of 10099819 is about 3178.0212397025. The cubic root of 10099819 is about 216.1579420386.

The spelling of 10099819 in words is "ten million, ninety-nine thousand, eight hundred nineteen".