90314000209 has 2 divisors, whose sum is σ = 90314000210. Its totient is φ = 90314000208.

The previous prime is 90314000191. The next prime is 90314000243. The reversal of 90314000209 is 90200041309.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60280070400 + 30033929809 = 245520^2 + 173303^2 .

It is a cyclic number.

It is not a de Polignac number, because 90314000209 - 2⁷ = 90314000081 is a prime.

It is a super-3 number, since 3×90314000209³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (90314000809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45157000104 + 45157000105.

It is an arithmetic number, because the mean of its divisors is an integer number (45157000105).

Almost surely, 2^90314000209 is an apocalyptic number.

It is an amenable number.

90314000209 is a deficient number, since it is larger than the sum of its proper divisors (1).

90314000209 is an equidigital number, since it uses as much as digits as its factorization.

90314000209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 90314000209 in words is "ninety billion, three hundred fourteen million, two hundred nine", and thus it is an aban number.