2005881713 has 4 divisors (see below), whose sum is σ = 2188234608. Its totient is φ = 1823528820.

The previous prime is 2005881707. The next prime is 2005881743. The reversal of 2005881713 is 3171885002.

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 2005881713 - 2⁸ = 2005881457 is a prime.

It is a super-2 number, since 2×2005881713² = 8047122893095628738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005881743) 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, 91176431 + ... + 91176452.

It is an arithmetic number, because the mean of its divisors is an integer number (547058652).

Almost surely, 2^2005881713 is an apocalyptic number.

It is an amenable number.

2005881713 is a deficient number, since it is larger than the sum of its proper divisors (182352895).

2005881713 is a wasteful number, since it uses less digits than its factorization.

2005881713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182352894.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 2005881713 is about 44787.0708240671. The cubic root of 2005881713 is about 1261.1549234722.

The spelling of 2005881713 in words is "two billion, five million, eight hundred eighty-one thousand, seven hundred thirteen".