2805550013 has 16 divisors (see below), whose sum is σ = 3378000000. Its totient is φ = 2276232192.

The previous prime is 2805549997. The next prime is 2805550037. The reversal of 2805550013 is 3100555082.

It is a cyclic number.

It is not a de Polignac number, because 2805550013 - 2⁴ = 2805549997 is a prime.

It is a super-2 number, since 2×2805550013² = 15742221750888600338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805550063) 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 15 ways as a sum of consecutive naturals, for example, 157673 + ... + 174561.

It is an arithmetic number, because the mean of its divisors is an integer number (211125000).

Almost surely, 2^2805550013 is an apocalyptic number.

It is an amenable number.

2805550013 is a deficient number, since it is larger than the sum of its proper divisors (572449987).

2805550013 is a wasteful number, since it uses less digits than its factorization.

2805550013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18164.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 2805550013 is about 52967.4429531953. The cubic root of 2805550013 is about 1410.3903841674.

The spelling of 2805550013 in words is "two billion, eight hundred five million, five hundred fifty thousand, thirteen".