2409999139 has 2 divisors, whose sum is σ = 2409999140. Its totient is φ = 2409999138.

The previous prime is 2409999131. The next prime is 2409999143. The reversal of 2409999139 is 9319999042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2409999139 - 2³ = 2409999131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2409999139.

It is not a weakly prime, because it can be changed into another prime (2409999131) 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, 1204999569 + 1204999570.

It is an arithmetic number, because the mean of its divisors is an integer number (1204999570).

Almost surely, 2^2409999139 is an apocalyptic number.

2409999139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2409999139 is an equidigital number, since it uses as much as digits as its factorization.

2409999139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1417176, while the sum is 55.

The square root of 2409999139 is about 49091.7420652394. The cubic root of 2409999139 is about 1340.7226997470.

The spelling of 2409999139 in words is "two billion, four hundred nine million, nine hundred ninety-nine thousand, one hundred thirty-nine".