2543351678 has 16 divisors (see below), whose sum is σ = 4510378080. Its totient is φ = 1052421216.

The previous prime is 2543351669. The next prime is 2543351687. The reversal of 2543351678 is 8761533452.

It is an interprime number because it is at equal distance from previous prime (2543351669) and next prime (2543351687).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3131801 + ... + 3132612.

It is an arithmetic number, because the mean of its divisors is an integer number (281898630).

Almost surely, 2^2543351678 is an apocalyptic number.

2543351678 is a deficient number, since it is larger than the sum of its proper divisors (1967026402).

2543351678 is a wasteful number, since it uses less digits than its factorization.

2543351678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264451.

The product of its digits is 604800, while the sum is 44.

The square root of 2543351678 is about 50431.6535322807. The cubic root of 2543351678 is about 1365.0088650374.

The spelling of 2543351678 in words is "two billion, five hundred forty-three million, three hundred fifty-one thousand, six hundred seventy-eight".