42434380539 has 12 divisors (see below), whose sum is σ = 61762000872. Its totient is φ = 28073635200.

The previous prime is 42434380511. The next prime is 42434380543. The reversal of 42434380539 is 93508343424.

42434380539 is a `hidden beast` number, since 4 + 2 + 4 + 34 + 3 + 80 + 539 = 666.

42434380539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42434380539 - 2¹¹ = 42434378491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42434380494 and 42434380503.

It is not an unprimeable number, because it can be changed into a prime (42434380579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17994742 + ... + 17997099.

It is an arithmetic number, because the mean of its divisors is an integer number (5146833406).

Almost surely, 2^42434380539 is an apocalyptic number.

42434380539 is a deficient number, since it is larger than the sum of its proper divisors (19327620333).

42434380539 is a wasteful number, since it uses less digits than its factorization.

42434380539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35991978 (or 35991975 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 42434380539 in words is "forty-two billion, four hundred thirty-four million, three hundred eighty thousand, five hundred thirty-nine".