4011142309 has 2 divisors, whose sum is σ = 4011142310. Its totient is φ = 4011142308.

The previous prime is 4011142259. The next prime is 4011142327. The reversal of 4011142309 is 9032411104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2294697409 + 1716444900 = 47903^2 + 41430^2 .

It is a cyclic number.

It is not a de Polignac number, because 4011142309 - 2⁷ = 4011142181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4011142349) 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, 2005571154 + 2005571155.

It is an arithmetic number, because the mean of its divisors is an integer number (2005571155).

Almost surely, 2^4011142309 is an apocalyptic number.

It is an amenable number.

4011142309 is a deficient number, since it is larger than the sum of its proper divisors (1).

4011142309 is an equidigital number, since it uses as much as digits as its factorization.

4011142309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 4011142309 is about 63333.5796319772. The cubic root of 4011142309 is about 1588.8736282408.

The spelling of 4011142309 in words is "four billion, eleven million, one hundred forty-two thousand, three hundred nine".