2855438089 has 4 divisors (see below), whose sum is σ = 3263357824. Its totient is φ = 2447518356.

The previous prime is 2855438087. The next prime is 2855438119. The reversal of 2855438089 is 9808345582.

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 2855438089 - 2¹ = 2855438087 is a prime.

It is a super-2 number, since 2×2855438089² = 16307053360223943842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2855438083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203959857 + ... + 203959870.

It is an arithmetic number, because the mean of its divisors is an integer number (815839456).

Almost surely, 2^2855438089 is an apocalyptic number.

It is an amenable number.

2855438089 is a deficient number, since it is larger than the sum of its proper divisors (407919735).

2855438089 is an equidigital number, since it uses as much as digits as its factorization.

2855438089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407919734.

The product of its (nonzero) digits is 2764800, while the sum is 52.

The square root of 2855438089 is about 53436.2993572721. The cubic root of 2855438089 is about 1418.7011347541.

The spelling of 2855438089 in words is "two billion, eight hundred fifty-five million, four hundred thirty-eight thousand, eighty-nine".