210744880641 has 6 divisors (see below), whose sum is σ = 304409272050. Its totient is φ = 140496587088.

The previous prime is 210744880613. The next prime is 210744880651. The reversal of 210744880641 is 146088447012.

210744880641 is a `hidden beast` number, since 2 + 107 + 4 + 488 + 0 + 64 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 208228855041 + 2516025600 = 456321^2 + 50160^2 .

It is not a de Polignac number, because 210744880641 - 2⁵ = 210744880609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210744880651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11708048916 + ... + 11708048933.

It is an arithmetic number, because the mean of its divisors is an integer number (50734878675).

Almost surely, 2^210744880641 is an apocalyptic number.

It is an amenable number.

210744880641 is a deficient number, since it is larger than the sum of its proper divisors (93664391409).

210744880641 is a wasteful number, since it uses less digits than its factorization.

210744880641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23416097855 (or 23416097852 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 210744880641 in words is "two hundred ten billion, seven hundred forty-four million, eight hundred eighty thousand, six hundred forty-one".