2546831648 has 24 divisors (see below), whose sum is σ = 5015276028. Its totient is φ = 1273110784.

The previous prime is 2546831593. The next prime is 2546831669. The reversal of 2546831648 is 8461386452.

It can be written as a sum of positive squares in 2 ways, for example, as 2329799824 + 217031824 = 48268^2 + 14732^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191090 + ... + 203982.

Almost surely, 2^2546831648 is an apocalyptic number.

It is an amenable number.

2546831648 is a deficient number, since it is larger than the sum of its proper divisors (2468444380).

2546831648 is a wasteful number, since it uses less digits than its factorization.

2546831648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19076 (or 19068 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 2546831648 is about 50466.1435816132. The cubic root of 2546831648 is about 1365.6311443033.

The spelling of 2546831648 in words is "two billion, five hundred forty-six million, eight hundred thirty-one thousand, six hundred forty-eight".