990199010 has 32 divisors (see below), whose sum is σ = 1820146032. Its totient is φ = 387763200.

The previous prime is 990199009. The next prime is 990199037. The reversal of 990199010 is 10991099.

It is a happy number.

990199010 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 8 ways, for example, as 773785489 + 216413521 = 27817^2 + 14711^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95060 + ... + 104960.

Almost surely, 2^990199010 is an apocalyptic number.

990199010 is a deficient number, since it is larger than the sum of its proper divisors (829947022).

990199010 is a wasteful number, since it uses less digits than its factorization.

990199010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10118.

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

The square root of 990199010 is about 31467.4277626882. The cubic root of 990199010 is about 996.7222715678.

The spelling of 990199010 in words is "nine hundred ninety million, one hundred ninety-nine thousand, ten".