42718278129 has 8 divisors (see below), whose sum is σ = 57031391232. Its totient is φ = 28442008560.

The previous prime is 42718278121. The next prime is 42718278131. The reversal of 42718278129 is 92187281724.

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

It is not a de Polignac number, because 42718278129 - 2³ = 42718278121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42718278121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9208177 + ... + 9212814.

It is an arithmetic number, because the mean of its divisors is an integer number (7128923904).

Almost surely, 2^42718278129 is an apocalyptic number.

It is an amenable number.

42718278129 is a deficient number, since it is larger than the sum of its proper divisors (14313113103).

42718278129 is a wasteful number, since it uses less digits than its factorization.

42718278129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18421767.

The product of its digits is 903168, while the sum is 51.

The spelling of 42718278129 in words is "forty-two billion, seven hundred eighteen million, two hundred seventy-eight thousand, one hundred twenty-nine".