2530774489 has 4 divisors (see below), whose sum is σ = 2530877860. Its totient is φ = 2530671120.

The previous prime is 2530774471. The next prime is 2530774501. The reversal of 2530774489 is 9844770352.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2240412889 + 290361600 = 47333^2 + 17040^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530774489 - 2⁵ = 2530774457 is a prime.

It is a super-2 number, since 2×2530774489² = 12809639028346422242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530774409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8059 + ... + 71599.

It is an arithmetic number, because the mean of its divisors is an integer number (632719465).

Almost surely, 2^2530774489 is an apocalyptic number.

It is an amenable number.

2530774489 is a deficient number, since it is larger than the sum of its proper divisors (103371).

2530774489 is an equidigital number, since it uses as much as digits as its factorization.

2530774489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103370.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The square root of 2530774489 is about 50306.8036054767. The cubic root of 2530774489 is about 1362.7550999384.

The spelling of 2530774489 in words is "two billion, five hundred thirty million, seven hundred seventy-four thousand, four hundred eighty-nine".