42743811783 has 4 divisors (see below), whose sum is σ = 56991749048. Its totient is φ = 28495874520.

The previous prime is 42743811763. The next prime is 42743811829. The reversal of 42743811783 is 38711834724.

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

It is not a de Polignac number, because 42743811783 - 2¹⁶ = 42743746247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42743811763) 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, 7123968628 + ... + 7123968633.

It is an arithmetic number, because the mean of its divisors is an integer number (14247937262).

Almost surely, 2^42743811783 is an apocalyptic number.

42743811783 is a deficient number, since it is larger than the sum of its proper divisors (14247937265).

42743811783 is a wasteful number, since it uses less digits than its factorization.

42743811783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14247937264.

The product of its digits is 903168, while the sum is 48.

The spelling of 42743811783 in words is "forty-two billion, seven hundred forty-three million, eight hundred eleven thousand, seven hundred eighty-three".