2005444153 has 2 divisors, whose sum is σ = 2005444154. Its totient is φ = 2005444152.

The previous prime is 2005444121. The next prime is 2005444187. The reversal of 2005444153 is 3514445002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1726153209 + 279290944 = 41547^2 + 16712^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005444153 - 2⁵ = 2005444121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2005444853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002722076 + 1002722077.

It is an arithmetic number, because the mean of its divisors is an integer number (1002722077).

Almost surely, 2^2005444153 is an apocalyptic number.

It is an amenable number.

2005444153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005444153 is an equidigital number, since it uses as much as digits as its factorization.

2005444153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2005444153 is about 44782.1856657310. The cubic root of 2005444153 is about 1261.0632146616.

Adding to 2005444153 its reverse (3514445002), we get a palindrome (5519889155).

The spelling of 2005444153 in words is "two billion, five million, four hundred forty-four thousand, one hundred fifty-three".