2650057871 has 4 divisors (see below), whose sum is σ = 2650317600. Its totient is φ = 2649798144.

The previous prime is 2650057867. The next prime is 2650057913. The reversal of 2650057871 is 1787500562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2650057871 - 2² = 2650057867 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650057841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113906 + ... + 135183.

It is an arithmetic number, because the mean of its divisors is an integer number (662579400).

Almost surely, 2^2650057871 is an apocalyptic number.

2650057871 is a deficient number, since it is larger than the sum of its proper divisors (259729).

2650057871 is a wasteful number, since it uses less digits than its factorization.

2650057871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259728.

The product of its (nonzero) digits is 117600, while the sum is 41.

The square root of 2650057871 is about 51478.7127947077. The cubic root of 2650057871 is about 1383.8375769650.

The spelling of 2650057871 in words is "two billion, six hundred fifty million, fifty-seven thousand, eight hundred seventy-one".