2528743747 has 2 divisors, whose sum is σ = 2528743748. Its totient is φ = 2528743746.

The previous prime is 2528743709. The next prime is 2528743751. The reversal of 2528743747 is 7473478252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2528743747 - 2²⁷ = 2394526019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2528743747.

It is not a weakly prime, because it can be changed into another prime (2528743787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264371873 + 1264371874.

It is an arithmetic number, because the mean of its divisors is an integer number (1264371874).

Almost surely, 2^2528743747 is an apocalyptic number.

2528743747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2528743747 is an equidigital number, since it uses as much as digits as its factorization.

2528743747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2634240, while the sum is 49.

The square root of 2528743747 is about 50286.6159827841. The cubic root of 2528743747 is about 1362.3905021226.

The spelling of 2528743747 in words is "two billion, five hundred twenty-eight million, seven hundred forty-three thousand, seven hundred forty-seven".