999850010 has 16 divisors (see below), whose sum is σ = 1809058536. Its totient is φ = 397867008.

The previous prime is 999850009. The next prime is 999850013. The reversal of 999850010 is 10058999.

999850010 = T₁₉₉₉₆ + T₁₉₉₉₇ + ... + T₂₀₀₀₀.

It can be written as a sum of positive squares in 4 ways, for example, as 862655641 + 137194369 = 29371^2 + 11713^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 999850010.

It is not an unprimeable number, because it can be changed into a prime (999850013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257099 + ... + 260958.

Almost surely, 2^999850010 is an apocalyptic number.

999850010 is a deficient number, since it is larger than the sum of its proper divisors (809208526).

999850010 is a wasteful number, since it uses less digits than its factorization.

999850010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518257.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 999850010 is about 31620.4049626187. The cubic root of 999850010 is about 999.9500008335.

The spelling of 999850010 in words is "nine hundred ninety-nine million, eight hundred fifty thousand, ten".