2090885368209 has 16 divisors (see below), whose sum is σ = 3123484777920. Its totient is φ = 1232954516160.

The previous prime is 2090885368207. The next prime is 2090885368217. The reversal of 2090885368209 is 9028635880902.

It is not a de Polignac number, because 2090885368209 - 2¹ = 2090885368207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2090885368207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856217194 + ... + 856219635.

It is an arithmetic number, because the mean of its divisors is an integer number (195217798620).

Almost surely, 2^{2090885368209} is an apocalyptic number.

It is an amenable number.

2090885368209 is a deficient number, since it is larger than the sum of its proper divisors (1032599409711).

2090885368209 is a wasteful number, since it uses less digits than its factorization.

2090885368209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712436880.

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 2090885368209 in words is "two trillion, ninety billion, eight hundred eighty-five million, three hundred sixty-eight thousand, two hundred nine".