2489710609 has 9 divisors (see below), whose sum is σ = 2554014961. Its totient is φ = 2426990080.

The previous prime is 2489710607. The next prime is 2489710633. The reversal of 2489710609 is 9060179842.

The square root of 2489710609 is 49897.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1111222225 + 1378488384 = 33335^2 + 37128^2 .

It is not a de Polignac number, because 2489710609 - 2¹ = 2489710607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2489710603) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2045169 + ... + 2046385.

Almost surely, 2^2489710609 is an apocalyptic number.

2489710609 is the 49897-th square number.

2489710609 is the 24949-th centered octagonal number.

It is an amenable number.

2489710609 is a deficient number, since it is larger than the sum of its proper divisors (64304352).

2489710609 is an frugal number, since it uses more digits than its factorization.

2489710609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The cubic root of 2489710609 is about 1355.3442676751.

The spelling of 2489710609 in words is "two billion, four hundred eighty-nine million, seven hundred ten thousand, six hundred nine".