209100335393148 has 24 divisors (see below), whose sum is σ = 487904488915200. Its totient is φ = 69699582321840.

The previous prime is 209100335393099. The next prime is 209100335393149. The reversal of 209100335393148 is 841393533001902.

It is a self number, because there is not a number n which added to its sum of digits gives 209100335393148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209100335393149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64537348 + ... + 67699851.

It is an arithmetic number, because the mean of its divisors is an integer number (20329353704800).

Almost surely, 2^{209100335393148} is an apocalyptic number.

It is an amenable number.

209100335393148 is an abundant number, since it is smaller than the sum of its proper divisors (278804153522052).

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

209100335393148 is a wasteful number, since it uses less digits than its factorization.

209100335393148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132368977 (or 132368975 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 209100335393148 in words is "two hundred nine trillion, one hundred billion, three hundred thirty-five million, three hundred ninety-three thousand, one hundred forty-eight".