42743814717 has 4 divisors (see below), whose sum is σ = 56991752960. Its totient is φ = 28495876476.

The previous prime is 42743814713. The next prime is 42743814727. The reversal of 42743814717 is 71741834724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42743814717 - 2² = 42743814713 is a prime.

It is a super-2 number, since 2×42743814717² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42743814713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7123969117 + ... + 7123969122.

It is an arithmetic number, because the mean of its divisors is an integer number (14247938240).

Almost surely, 2^42743814717 is an apocalyptic number.

It is an amenable number.

42743814717 is a deficient number, since it is larger than the sum of its proper divisors (14247938243).

42743814717 is a wasteful number, since it uses less digits than its factorization.

42743814717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14247938242.

The product of its digits is 1053696, while the sum is 48.

The spelling of 42743814717 in words is "forty-two billion, seven hundred forty-three million, eight hundred fourteen thousand, seven hundred seventeen".