2542381678 has 8 divisors (see below), whose sum is σ = 4014286920. Its totient is φ = 1204286040.

The previous prime is 2542381663. The next prime is 2542381687. The reversal of 2542381678 is 8761832452.

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

It is a congruent number.

It is an unprimeable number.

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, 33452353 + ... + 33452428.

It is an arithmetic number, because the mean of its divisors is an integer number (501785865).

Almost surely, 2^2542381678 is an apocalyptic number.

2542381678 is a deficient number, since it is larger than the sum of its proper divisors (1471905242).

2542381678 is a wasteful number, since it uses less digits than its factorization.

2542381678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66904802.

The product of its digits is 645120, while the sum is 46.

The square root of 2542381678 is about 50422.0356391925. The cubic root of 2542381678 is about 1364.8353109864.

The spelling of 2542381678 in words is "two billion, five hundred forty-two million, three hundred eighty-one thousand, six hundred seventy-eight".