209182382688 has 48 divisors (see below), whose sum is σ = 549130095360. Its totient is φ = 69724116096.

The previous prime is 209182382659. The next prime is 209182382713. The reversal of 209182382688 is 886283281902.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2722981 + ... + 2798747.

It is an arithmetic number, because the mean of its divisors is an integer number (11440210320).

Almost surely, 2^209182382688 is an apocalyptic number.

It is an amenable number.

209182382688 is an abundant number, since it is smaller than the sum of its proper divisors (339947712672).

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

209182382688 is a wasteful number, since it uses less digits than its factorization.

209182382688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104539 (or 104531 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 57.

The spelling of 209182382688 in words is "two hundred nine billion, one hundred eighty-two million, three hundred eighty-two thousand, six hundred eighty-eight".