209132573088 has 192 divisors, whose sum is σ = 588776791680. Its totient is φ = 64764936192.

The previous prime is 209132573077. The next prime is 209132573113. The reversal of 209132573088 is 880375231902.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172408770 + ... + 172409982.

It is an arithmetic number, because the mean of its divisors is an integer number (3066545790).

Almost surely, 2^209132573088 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 209132573088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294388395840).

209132573088 is an abundant number, since it is smaller than the sum of its proper divisors (379644218592).

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

209132573088 is a wasteful number, since it uses less digits than its factorization.

209132573088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519 (or 2511 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 209132573088 in words is "two hundred nine billion, one hundred thirty-two million, five hundred seventy-three thousand, eighty-eight".