2050581394771 has 32 divisors (see below), whose sum is σ = 2560299517440. Its totient is φ = 1599062598144.

The previous prime is 2050581394747. The next prime is 2050581394777. The reversal of 2050581394771 is 1774931850502.

It is a cyclic number.

It is not a de Polignac number, because 2050581394771 - 2¹¹ = 2050581392723 is a prime.

It is a super-2 number, since 2×2050581394771² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2050581394777) 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 31 ways as a sum of consecutive naturals, for example, 2840731 + ... + 3488683.

It is an arithmetic number, because the mean of its divisors is an integer number (80009359920).

Almost surely, 2^{2050581394771} is an apocalyptic number.

2050581394771 is a deficient number, since it is larger than the sum of its proper divisors (509718122669).

2050581394771 is a wasteful number, since it uses less digits than its factorization.

2050581394771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648475.

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 2050581394771 in words is "two trillion, fifty billion, five hundred eighty-one million, three hundred ninety-four thousand, seven hundred seventy-one".