2489225729 has 2 divisors, whose sum is σ = 2489225730. Its totient is φ = 2489225728.

The previous prime is 2489225723. The next prime is 2489225749. The reversal of 2489225729 is 9275229842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2426055025 + 63170704 = 49255^2 + 7948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2489225729 is a prime.

It is not a weakly prime, because it can be changed into another prime (2489225723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244612864 + 1244612865.

It is an arithmetic number, because the mean of its divisors is an integer number (1244612865).

Almost surely, 2^2489225729 is an apocalyptic number.

It is an amenable number.

2489225729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489225729 is an equidigital number, since it uses as much as digits as its factorization.

2489225729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 2489225729 is about 49892.1409542625. The cubic root of 2489225729 is about 1355.2562759230.

The spelling of 2489225729 in words is "two billion, four hundred eighty-nine million, two hundred twenty-five thousand, seven hundred twenty-nine".