209499545214 has 24 divisors (see below), whose sum is σ = 461356924392. Its totient is φ = 68688375120.

The previous prime is 209499545141. The next prime is 209499545219. The reversal of 209499545214 is 412545994902.

209499545214 is a `hidden beast` number, since 2 + 0 + 9 + 4 + 99 + 545 + 2 + 1 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209499545219) 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, 95399424 + ... + 95401619.

It is an arithmetic number, because the mean of its divisors is an integer number (19223205183).

Almost surely, 2^209499545214 is an apocalyptic number.

209499545214 is an abundant number, since it is smaller than the sum of its proper divisors (251857379178).

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

209499545214 is a wasteful number, since it uses less digits than its factorization.

209499545214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190801112 (or 190801109 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 209499545214 in words is "two hundred nine billion, four hundred ninety-nine million, five hundred forty-five thousand, two hundred fourteen".