2175172106649 has 8 divisors (see below), whose sum is σ = 2904930012000. Its totient is φ = 1447764469536.

The previous prime is 2175172106617. The next prime is 2175172106659. The reversal of 2175172106649 is 9466012715712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2175172106649 - 2⁵ = 2175172106617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2175172106609) 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, 587564899 + ... + 587568600.

It is an arithmetic number, because the mean of its divisors is an integer number (363116251500).

Almost surely, 2^{2175172106649} is an apocalyptic number.

It is an amenable number.

2175172106649 is a deficient number, since it is larger than the sum of its proper divisors (729757905351).

2175172106649 is a wasteful number, since it uses less digits than its factorization.

2175172106649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175134119.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 2175172106649 in words is "two trillion, one hundred seventy-five billion, one hundred seventy-two million, one hundred six thousand, six hundred forty-nine".