42718538837 has 8 divisors (see below), whose sum is σ = 46007346840. Its totient is φ = 39430126080.

The previous prime is 42718538833. The next prime is 42718538843. The reversal of 42718538837 is 73883581724.

42718538837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6140446321 + 36578092516 = 78361^2 + 191254^2 .

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 42718538837 - 2² = 42718538833 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42718538833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148637 + ... + 327917.

It is an arithmetic number, because the mean of its divisors is an integer number (5750918355).

Almost surely, 2^42718538837 is an apocalyptic number.

It is an amenable number.

42718538837 is a deficient number, since it is larger than the sum of its proper divisors (3288808003).

42718538837 is a wasteful number, since it uses less digits than its factorization.

42718538837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197623.

The product of its digits is 9031680, while the sum is 56.

The spelling of 42718538837 in words is "forty-two billion, seven hundred eighteen million, five hundred thirty-eight thousand, eight hundred thirty-seven".