2255905913 has 4 divisors (see below), whose sum is σ = 2256865380. Its totient is φ = 2254946448.

The previous prime is 2255905901. The next prime is 2255905937. The reversal of 2255905913 is 3195095522.

2255905913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3195095522 = 2 ⋅1597547761.

It can be written as a sum of positive squares in 2 ways, for example, as 1556144704 + 699761209 = 39448^2 + 26453^2 .

It is a cyclic number.

It is not a de Polignac number, because 2255905913 - 2⁸ = 2255905657 is a prime.

It is a super-2 number, since 2×2255905913² = 10178222976616727138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2255905313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476198 + ... + 480911.

It is an arithmetic number, because the mean of its divisors is an integer number (564216345).

Almost surely, 2^2255905913 is an apocalyptic number.

It is an amenable number.

2255905913 is a deficient number, since it is larger than the sum of its proper divisors (959467).

2255905913 is an equidigital number, since it uses as much as digits as its factorization.

2255905913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959466.

The product of its (nonzero) digits is 121500, while the sum is 41.

The square root of 2255905913 is about 47496.3778934773. The cubic root of 2255905913 is about 1311.5162043651.

The spelling of 2255905913 in words is "two billion, two hundred fifty-five million, nine hundred five thousand, nine hundred thirteen".