209622945032 has 12 divisors (see below), whose sum is σ = 393045450045. Its totient is φ = 104810825024.

The previous prime is 209622945029. The next prime is 209622945083. The reversal of 209622945032 is 230549226902.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 169979745796 + 39643199236 = 412286^2 + 199106^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=323746.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1214048 + ... + 1375920.

Almost surely, 2^209622945032 is an apocalyptic number.

It is an amenable number.

209622945032 is a deficient number, since it is larger than the sum of its proper divisors (183422505013).

209622945032 is an frugal number, since it uses more digits than its factorization.

209622945032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323752 (or 161875 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 209622945032 in words is "two hundred nine billion, six hundred twenty-two million, nine hundred forty-five thousand, thirty-two".