42305403013 has 4 divisors (see below), whose sum is σ = 42449790348. Its totient is φ = 42161015680.

The previous prime is 42305402987. The next prime is 42305403061. The reversal of 42305403013 is 31030450324.

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 41023261764 + 1282141249 = 202542^2 + 35807^2 .

It is a cyclic number.

It is not a de Polignac number, because 42305403013 - 2¹³ = 42305394821 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 (42305413013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72193228 + ... + 72193813.

It is an arithmetic number, because the mean of its divisors is an integer number (10612447587).

Almost surely, 2^42305403013 is an apocalyptic number.

It is an amenable number.

42305403013 is a deficient number, since it is larger than the sum of its proper divisors (144387335).

42305403013 is a wasteful number, since it uses less digits than its factorization.

42305403013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144387334.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 42305403013 its reverse (31030450324), we get a palindrome (73335853337).

The spelling of 42305403013 in words is "forty-two billion, three hundred five million, four hundred three thousand, thirteen".