2055229109 has 2 divisors, whose sum is σ = 2055229110. Its totient is φ = 2055229108.

The previous prime is 2055229091. The next prime is 2055229157. The reversal of 2055229109 is 9019225502.

Together with previous prime (2055229091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2020772209 + 34456900 = 44953^2 + 5870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2055229109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2055829109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027614554 + 1027614555.

It is an arithmetic number, because the mean of its divisors is an integer number (1027614555).

Almost surely, 2^2055229109 is an apocalyptic number.

It is an amenable number.

2055229109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055229109 is an equidigital number, since it uses as much as digits as its factorization.

2055229109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 2055229109 is about 45334.6347619566. The cubic root of 2055229109 is about 1271.4132920215.

The spelling of 2055229109 in words is "two billion, fifty-five million, two hundred twenty-nine thousand, one hundred nine".