2140441609 has 2 divisors, whose sum is σ = 2140441610. Its totient is φ = 2140441608.

The previous prime is 2140441549. The next prime is 2140441631. The reversal of 2140441609 is 9061440412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1490191609 + 650250000 = 38603^2 + 25500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140441609 - 2¹⁵ = 2140408841 is a prime.

It is not a weakly prime, because it can be changed into another prime (2140441669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070220804 + 1070220805.

It is an arithmetic number, because the mean of its divisors is an integer number (1070220805).

Almost surely, 2^2140441609 is an apocalyptic number.

It is an amenable number.

2140441609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140441609 is an equidigital number, since it uses as much as digits as its factorization.

2140441609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2140441609 is about 46264.9068841601. The cubic root of 2140441609 is about 1288.7473787038.

The spelling of 2140441609 in words is "two billion, one hundred forty million, four hundred forty-one thousand, six hundred nine".