42789316739 has 4 divisors (see below), whose sum is σ = 46080802656. Its totient is φ = 39497830824.

The previous prime is 42789316721. The next prime is 42789316753. The reversal of 42789316739 is 93761398724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42789316739 - 2²⁰ = 42788268163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42789316789) 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 3 ways as a sum of consecutive naturals, for example, 1645742939 + ... + 1645742964.

It is an arithmetic number, because the mean of its divisors is an integer number (11520200664).

Almost surely, 2^42789316739 is an apocalyptic number.

42789316739 is a deficient number, since it is larger than the sum of its proper divisors (3291485917).

42789316739 is a wasteful number, since it uses less digits than its factorization.

42789316739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291485916.

The product of its digits is 13716864, while the sum is 59.

The spelling of 42789316739 in words is "forty-two billion, seven hundred eighty-nine million, three hundred sixteen thousand, seven hundred thirty-nine".