209011054196 has 12 divisors (see below), whose sum is σ = 418022108448. Its totient is φ = 89576166072.

The previous prime is 209011054177. The next prime is 209011054237. The reversal of 209011054196 is 691450110902.

209011054196 is an admirable number.

It is a super-2 number, since 2×209011054196² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3732340226 + ... + 3732340281.

It is an arithmetic number, because the mean of its divisors is an integer number (34835175704).

Almost surely, 2^209011054196 is an apocalyptic number.

It is an amenable number.

209011054196 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

209011054196 is a wasteful number, since it uses less digits than its factorization.

209011054196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7464680518 (or 7464680516 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The spelling of 209011054196 in words is "two hundred nine billion, eleven million, fifty-four thousand, one hundred ninety-six".