2529248789 has 2 divisors, whose sum is σ = 2529248790. Its totient is φ = 2529248788.

The previous prime is 2529248779. The next prime is 2529248803. The reversal of 2529248789 is 9878429252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2474266564 + 54982225 = 49742^2 + 7415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2529248789 - 2²⁴ = 2512471573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2529248749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264624394 + 1264624395.

It is an arithmetic number, because the mean of its divisors is an integer number (1264624395).

Almost surely, 2^2529248789 is an apocalyptic number.

It is an amenable number.

2529248789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2529248789 is an equidigital number, since it uses as much as digits as its factorization.

2529248789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 56.

The square root of 2529248789 is about 50291.6373664648. The cubic root of 2529248789 is about 1362.4811951954.

The spelling of 2529248789 in words is "two billion, five hundred twenty-nine million, two hundred forty-eight thousand, seven hundred eighty-nine".