900994219 has 2 divisors, whose sum is σ = 900994220. Its totient is φ = 900994218.

The previous prime is 900994153. The next prime is 900994267. The reversal of 900994219 is 912499009.

900994219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (912499009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 900994219 - 2⁹ = 900993707 is a prime.

It is a super-2 number, since 2×900994219² = 1623581165342839922, which contains 22 as substring.

It is equal to p_46057597 and since 900994219 and 46057597 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (900992219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450497109 + 450497110.

It is an arithmetic number, because the mean of its divisors is an integer number (450497110).

Almost surely, 2^900994219 is an apocalyptic number.

900994219 is a deficient number, since it is larger than the sum of its proper divisors (1).

900994219 is an equidigital number, since it uses as much as digits as its factorization.

900994219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 900994219 is about 30016.5657429360. The cubic root of 900994219 is about 965.8447752134.

The spelling of 900994219 in words is "nine hundred million, nine hundred ninety-four thousand, two hundred nineteen".