42743131268 has 24 divisors (see below), whose sum is σ = 78124200000. Its totient is φ = 20441511648.

The previous prime is 42743131267. The next prime is 42743131289. The reversal of 42743131268 is 86213134724.

It is not an unprimeable number, because it can be changed into a prime (42743131267) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2438768 + ... + 2456231.

It is an arithmetic number, because the mean of its divisors is an integer number (3255175000).

Almost surely, 2^42743131268 is an apocalyptic number.

It is an amenable number.

42743131268 is a deficient number, since it is larger than the sum of its proper divisors (35381068732).

42743131268 is a wasteful number, since it uses less digits than its factorization.

42743131268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895099 (or 4895097 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The spelling of 42743131268 in words is "forty-two billion, seven hundred forty-three million, one hundred thirty-one thousand, two hundred sixty-eight".