2509433243 has 2 divisors, whose sum is σ = 2509433244. Its totient is φ = 2509433242.

The previous prime is 2509433177. The next prime is 2509433261. The reversal of 2509433243 is 3423349052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2509433243 - 2¹⁴ = 2509416859 is a prime.

It is not a weakly prime, because it can be changed into another prime (2509433543) 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, 1254716621 + 1254716622.

It is an arithmetic number, because the mean of its divisors is an integer number (1254716622).

Almost surely, 2^2509433243 is an apocalyptic number.

2509433243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2509433243 is an equidigital number, since it uses as much as digits as its factorization.

2509433243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 2509433243 is about 50094.2436114171. The cubic root of 2509433243 is about 1358.9137164492.

The spelling of 2509433243 in words is "two billion, five hundred nine million, four hundred thirty-three thousand, two hundred forty-three".