42013424234 has 4 divisors (see below), whose sum is σ = 63020136354. Its totient is φ = 21006712116.

The previous prime is 42013424213. The next prime is 42013424251. The reversal of 42013424234 is 43242431024.

42013424234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 24297015625 + 17716408609 = 155875^2 + 133103^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42013424197 and 42013424206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10503356057 + ... + 10503356060.

Almost surely, 2^42013424234 is an apocalyptic number.

42013424234 is a deficient number, since it is larger than the sum of its proper divisors (21006712120).

42013424234 is a wasteful number, since it uses less digits than its factorization.

42013424234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21006712119.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 42013424234 its reverse (43242431024), we get a palindrome (85255855258).

The spelling of 42013424234 in words is "forty-two billion, thirteen million, four hundred twenty-four thousand, two hundred thirty-four".