999109010 has 8 divisors (see below), whose sum is σ = 1798396236. Its totient is φ = 399643600.

The previous prime is 999108949. The next prime is 999109019. The reversal of 999109010 is 10901999.

It is a happy number.

999109010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 998623201 + 485809 = 31601^2 + 697^2 .

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

It is not an unprimeable number, because it can be changed into a prime (999109019) 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, 49955441 + ... + 49955460.

Almost surely, 2^999109010 is an apocalyptic number.

999109010 is a deficient number, since it is larger than the sum of its proper divisors (799287226).

999109010 is a wasteful number, since it uses less digits than its factorization.

999109010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99910908.

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

The square root of 999109010 is about 31608.6856734031. The cubic root of 999109010 is about 999.7029150826.

The spelling of 999109010 in words is "nine hundred ninety-nine million, one hundred nine thousand, ten".