2488681561 has 8 divisors (see below), whose sum is σ = 2646895104. Its totient is φ = 2331781440.

The previous prime is 2488681549. The next prime is 2488681577. The reversal of 2488681561 is 1651868842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2488681561 - 2⁹ = 2488681049 is a prime.

It is a super-2 number, since 2×2488681561² = 12387071824122793442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2488681361) 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 in 7 ways as a sum of consecutive naturals, for example, 324445 + ... + 332026.

It is an arithmetic number, because the mean of its divisors is an integer number (330861888).

Almost surely, 2^2488681561 is an apocalyptic number.

It is an amenable number.

2488681561 is a deficient number, since it is larger than the sum of its proper divisors (158213543).

2488681561 is a wasteful number, since it uses less digits than its factorization.

2488681561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656711.

The product of its digits is 737280, while the sum is 49.

The square root of 2488681561 is about 49886.6872121210. The cubic root of 2488681561 is about 1355.1575114979.

The spelling of 2488681561 in words is "two billion, four hundred eighty-eight million, six hundred eighty-one thousand, five hundred sixty-one".