2603428643 has 2 divisors, whose sum is σ = 2603428644. Its totient is φ = 2603428642.

The previous prime is 2603428613. The next prime is 2603428651. The reversal of 2603428643 is 3468243062.

2603428643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2603428643 - 2⁶ = 2603428579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2603428597 and 2603428606.

It is not a weakly prime, because it can be changed into another prime (2603428613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1301714321 + 1301714322.

It is an arithmetic number, because the mean of its divisors is an integer number (1301714322).

Almost surely, 2^2603428643 is an apocalyptic number.

2603428643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2603428643 is an equidigital number, since it uses as much as digits as its factorization.

2603428643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 2603428643 is about 51023.8046699773. The cubic root of 2603428643 is about 1375.6730400689.

The spelling of 2603428643 in words is "two billion, six hundred three million, four hundred twenty-eight thousand, six hundred forty-three".