42769782043 has 4 divisors (see below), whose sum is σ = 44629337808. Its totient is φ = 40910226280.

The previous prime is 42769781953. The next prime is 42769782071. The reversal of 42769782043 is 34028796724.

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 42769782043 - 2²⁹ = 42232911131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42769782073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929777848 + ... + 929777893.

It is an arithmetic number, because the mean of its divisors is an integer number (11157334452).

Almost surely, 2^42769782043 is an apocalyptic number.

42769782043 is a deficient number, since it is larger than the sum of its proper divisors (1859555765).

42769782043 is a wasteful number, since it uses less digits than its factorization.

42769782043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859555764.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 42769782043 in words is "forty-two billion, seven hundred sixty-nine million, seven hundred eighty-two thousand, forty-three".