2055844869 has 32 divisors (see below), whose sum is σ = 2991838080. Its totient is φ = 1248141312.

The previous prime is 2055844853. The next prime is 2055844873. The reversal of 2055844869 is 9684485502.

It is a happy number.

It is not a de Polignac number, because 2055844869 - 2⁴ = 2055844853 is a prime.

It is a super-2 number, since 2×2055844869² = 8452996250787254322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055844849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1584429 + ... + 1585725.

It is an arithmetic number, because the mean of its divisors is an integer number (93494940).

Almost surely, 2^2055844869 is an apocalyptic number.

It is an amenable number.

2055844869 is a deficient number, since it is larger than the sum of its proper divisors (935993211).

2055844869 is a wasteful number, since it uses less digits than its factorization.

2055844869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The square root of 2055844869 is about 45341.4255289796. The cubic root of 2055844869 is about 1271.5402539050.

The spelling of 2055844869 in words is "two billion, fifty-five million, eight hundred forty-four thousand, eight hundred sixty-nine".