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999990011 is a prime number
BaseRepresentation
bin111011100110101…
…010001011111011
32120200122202102002
4323212222023323
54021444140021
6243121131215
733531526526
oct7346521373
92520582362
10999990011
11473517329
1223aa89b0b
1312c235787
1496b47bbd
155cbcd50b
hex3b9aa2fb

999990011 has 2 divisors, whose sum is σ = 999990012. Its totient is φ = 999990010.

The previous prime is 999989981. The next prime is 999990029. The reversal of 999990011 is 110099999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999990011 - 210 = 999988987 is a prime.

It is a Chen prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (999990071) 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, 499995005 + 499995006.

It is an arithmetic number, because the mean of its divisors is an integer number (499995006).

Almost surely, 2999990011 is an apocalyptic number.

999990011 is a deficient number, since it is larger than the sum of its proper divisors (1).

999990011 is an equidigital number, since it uses as much as digits as its factorization.

999990011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59049, while the sum is 47.

The square root of 999990011 is about 31622.6186613316. The cubic root of 999990011 is about 999.9966703222.

It can be divided in two parts, 999 and 990011, that multiplied together give a palindrome (989020989).

The spelling of 999990011 in words is "nine hundred ninety-nine million, nine hundred ninety thousand, eleven".