42344202013 has 4 divisors (see below), whose sum is σ = 43804346940. Its totient is φ = 40884057088.

The previous prime is 42344202011. The next prime is 42344202037. The reversal of 42344202013 is 31020244324.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19652394969 + 22691807044 = 140187^2 + 150638^2 .

It is not a de Polignac number, because 42344202013 - 2¹ = 42344202011 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 (42344202011) 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, 730072420 + ... + 730072477.

It is an arithmetic number, because the mean of its divisors is an integer number (10951086735).

Almost surely, 2^42344202013 is an apocalyptic number.

It is an amenable number.

42344202013 is a deficient number, since it is larger than the sum of its proper divisors (1460144927).

42344202013 is a wasteful number, since it uses less digits than its factorization.

42344202013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460144926.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42344202013 its reverse (31020244324), we get a palindrome (73364446337).

The spelling of 42344202013 in words is "forty-two billion, three hundred forty-four million, two hundred two thousand, thirteen".