209231093484 has 144 divisors (see below), whose sum is σ = 624215155200. Its totient is φ = 59059778400.

The previous prime is 209231093479. The next prime is 209231093509. The reversal of 209231093484 is 484390132902.

209231093484 is a `hidden beast` number, since 209 + 2 + 310 + 93 + 48 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 922809 + ... + 1126959.

Almost surely, 2^209231093484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 209231093484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312107577600).

209231093484 is an abundant number, since it is smaller than the sum of its proper divisors (414984061716).

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

209231093484 is a wasteful number, since it uses less digits than its factorization.

209231093484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204265 (or 204246 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 209231093484 in words is "two hundred nine billion, two hundred thirty-one million, ninety-three thousand, four hundred eighty-four".