4321140409 has 2 divisors, whose sum is σ = 4321140410. Its totient is φ = 4321140408.

The previous prime is 4321140407. The next prime is 4321140413. The reversal of 4321140409 is 9040411234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3883159225 + 437981184 = 62315^2 + 20928^2 .

It is a cyclic number.

It is not a de Polignac number, because 4321140409 - 2¹ = 4321140407 is a prime.

Together with 4321140407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4321140407) 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, 2160570204 + 2160570205.

It is an arithmetic number, because the mean of its divisors is an integer number (2160570205).

Almost surely, 2^4321140409 is an apocalyptic number.

It is an amenable number.

4321140409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321140409 is an equidigital number, since it uses as much as digits as its factorization.

4321140409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4321140409 is about 65735.3817133513. The cubic root of 4321140409 is about 1628.7938696759.

The spelling of 4321140409 in words is "four billion, three hundred twenty-one million, one hundred forty thousand, four hundred nine".