3440254189 has 2 divisors, whose sum is σ = 3440254190. Its totient is φ = 3440254188.

The previous prime is 3440254123. The next prime is 3440254241. The reversal of 3440254189 is 9814520443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3383748900 + 56505289 = 58170^2 + 7517^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440254189 - 2²⁹ = 2903383277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3440254289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720127094 + 1720127095.

It is an arithmetic number, because the mean of its divisors is an integer number (1720127095).

Almost surely, 2^3440254189 is an apocalyptic number.

It is an amenable number.

3440254189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440254189 is an equidigital number, since it uses as much as digits as its factorization.

3440254189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 3440254189 is about 58653.6800976716. The cubic root of 3440254189 is about 1509.6056436954.

It can be divided in two parts, 3440254 and 189, that added together give a palindrome (3440443).

The spelling of 3440254189 in words is "three billion, four hundred forty million, two hundred fifty-four thousand, one hundred eighty-nine".