2005555413 has 8 divisors (see below), whose sum is σ = 2701642048. Its totient is φ = 1323252864.

The previous prime is 2005555397. The next prime is 2005555417. The reversal of 2005555413 is 3145555002.

It is a happy number.

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

It is not a de Polignac number, because 2005555413 - 2⁴ = 2005555397 is a prime.

It is a super-2 number, since 2×2005555413² = 8044505029227201138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005555417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3445681 + ... + 3446262.

It is an arithmetic number, because the mean of its divisors is an integer number (337705256).

Almost surely, 2^2005555413 is an apocalyptic number.

It is an amenable number.

2005555413 is a deficient number, since it is larger than the sum of its proper divisors (696086635).

2005555413 is an equidigital number, since it uses as much as digits as its factorization.

2005555413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6892043.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 2005555413 is about 44783.4278835375. The cubic root of 2005555413 is about 1261.0865350647.

The spelling of 2005555413 in words is "two billion, five million, five hundred fifty-five thousand, four hundred thirteen".