209375225832 has 32 divisors (see below), whose sum is σ = 550987437600. Its totient is φ = 66118492224.

The previous prime is 209375225809. The next prime is 209375225837. The reversal of 209375225832 is 238522573902.

It is not an unprimeable number, because it can be changed into a prime (209375225837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229577643 + ... + 229578554.

It is an arithmetic number, because the mean of its divisors is an integer number (17218357425).

Almost surely, 2^209375225832 is an apocalyptic number.

It is an amenable number.

209375225832 is an abundant number, since it is smaller than the sum of its proper divisors (341612211768).

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

209375225832 is a wasteful number, since it uses less digits than its factorization.

209375225832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459156225 (or 459156221 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 209375225832 in words is "two hundred nine billion, three hundred seventy-five million, two hundred twenty-five thousand, eight hundred thirty-two".