9900110819 has 2 divisors, whose sum is σ = 9900110820. Its totient is φ = 9900110818.

The previous prime is 9900110809. The next prime is 9900110827. The reversal of 9900110819 is 9180110099.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9900110819 - 2¹⁶ = 9900045283 is a prime.

It is a super-2 number, since 2×9900110819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9900110809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4950055409 + 4950055410.

It is an arithmetic number, because the mean of its divisors is an integer number (4950055410).

Almost surely, 2^9900110819 is an apocalyptic number.

9900110819 is a deficient number, since it is larger than the sum of its proper divisors (1).

9900110819 is an equidigital number, since it uses as much as digits as its factorization.

9900110819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 38.

The square root of 9900110819 is about 99499.3005955318. The cubic root of 9900110819 is about 2147.2371809011.

The spelling of 9900110819 in words is "nine billion, nine hundred million, one hundred ten thousand, eight hundred nineteen".