2050171850689 has 4 divisors (see below), whose sum is σ = 2059365446656. Its totient is φ = 2040978254724.

The previous prime is 2050171850659. The next prime is 2050171850707. The reversal of 2050171850689 is 9860581710502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2050171850689 - 2²⁷ = 2050037632961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2050171850659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4596797649 + ... + 4596798094.

It is an arithmetic number, because the mean of its divisors is an integer number (514841361664).

Almost surely, 2^{2050171850689} is an apocalyptic number.

It is an amenable number.

2050171850689 is a deficient number, since it is larger than the sum of its proper divisors (9193595967).

2050171850689 is an equidigital number, since it uses as much as digits as its factorization.

2050171850689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193595966.

The product of its (nonzero) digits is 1209600, while the sum is 52.

The spelling of 2050171850689 in words is "two trillion, fifty billion, one hundred seventy-one million, eight hundred fifty thousand, six hundred eighty-nine".