209045290113 has 12 divisors (see below), whose sum is σ = 329404699728. Its totient is φ = 126694115160.

The previous prime is 209045290093. The next prime is 209045290123. The reversal of 209045290113 is 311092540902.

209045290113 is a `hidden beast` number, since 2 + 0 + 9 + 0 + 452 + 90 + 113 = 666.

It is not a de Polignac number, because 209045290113 - 2²⁰ = 209044241537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (209045290123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1055784195 + ... + 1055784392.

It is an arithmetic number, because the mean of its divisors is an integer number (27450391644).

Almost surely, 2^209045290113 is an apocalyptic number.

It is an amenable number.

209045290113 is a deficient number, since it is larger than the sum of its proper divisors (120359409615).

209045290113 is a wasteful number, since it uses less digits than its factorization.

209045290113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111568604 (or 2111568601 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 209045290113 in words is "two hundred nine billion, forty-five million, two hundred ninety thousand, one hundred thirteen".