2603912243 has 2 divisors, whose sum is σ = 2603912244. Its totient is φ = 2603912242.

The previous prime is 2603912221. The next prime is 2603912261. The reversal of 2603912243 is 3422193062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2603912243 - 2¹⁸ = 2603650099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2603912543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1301956121 + 1301956122.

It is an arithmetic number, because the mean of its divisors is an integer number (1301956122).

Almost surely, 2^2603912243 is an apocalyptic number.

2603912243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2603912243 is an equidigital number, since it uses as much as digits as its factorization.

2603912243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 2603912243 is about 51028.5434144460. The cubic root of 2603912243 is about 1375.7582141969.

The spelling of 2603912243 in words is "two billion, six hundred three million, nine hundred twelve thousand, two hundred forty-three".