2485780489 has 2 divisors, whose sum is σ = 2485780490. Its totient is φ = 2485780488.

The previous prime is 2485780487. The next prime is 2485780519. The reversal of 2485780489 is 9840875842.

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., 2453518089 + 32262400 = 49533^2 + 5680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2485780489 - 2¹ = 2485780487 is a prime.

Together with 2485780487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2485780487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1242890244 + 1242890245.

It is an arithmetic number, because the mean of its divisors is an integer number (1242890245).

Almost surely, 2^2485780489 is an apocalyptic number.

It is an amenable number.

2485780489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2485780489 is an equidigital number, since it uses as much as digits as its factorization.

2485780489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The square root of 2485780489 is about 49857.6021184333. The cubic root of 2485780489 is about 1354.6307348321.

The spelling of 2485780489 in words is "two billion, four hundred eighty-five million, seven hundred eighty thousand, four hundred eighty-nine".