990067368211 has 2 divisors, whose sum is σ = 990067368212. Its totient is φ = 990067368210.

The previous prime is 990067368197. The next prime is 990067368239. The reversal of 990067368211 is 112863760099.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 990067368211 - 2⁵ = 990067368179 is a prime.

It is not a weakly prime, because it can be changed into another prime (990067368611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495033684105 + 495033684106.

It is an arithmetic number, because the mean of its divisors is an integer number (495033684106).

Almost surely, 2^990067368211 is an apocalyptic number.

990067368211 is a deficient number, since it is larger than the sum of its proper divisors (1).

990067368211 is an equidigital number, since it uses as much as digits as its factorization.

990067368211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 990067368211 in words is "nine hundred ninety billion, sixty-seven million, three hundred sixty-eight thousand, two hundred eleven".