2543440607 has 2 divisors, whose sum is σ = 2543440608. Its totient is φ = 2543440606.

The previous prime is 2543440591. The next prime is 2543440619. The reversal of 2543440607 is 7060443452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2543440607 - 2⁴ = 2543440591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2543440507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271720303 + 1271720304.

It is an arithmetic number, because the mean of its divisors is an integer number (1271720304).

Almost surely, 2^2543440607 is an apocalyptic number.

2543440607 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543440607 is an equidigital number, since it uses as much as digits as its factorization.

2543440607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 2543440607 is about 50432.5352029818. The cubic root of 2543440607 is about 1365.0247741571.

The spelling of 2543440607 in words is "two billion, five hundred forty-three million, four hundred forty thousand, six hundred seven".