42113656613 has 8 divisors (see below), whose sum is σ = 48848250432. Its totient is φ = 35558652096.

The previous prime is 42113656591. The next prime is 42113656649. The reversal of 42113656613 is 31665631124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42113656613 - 2⁶ = 42113656549 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 (42113656813) 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 7 ways as a sum of consecutive naturals, for example, 44896820 + ... + 44897757.

It is an arithmetic number, because the mean of its divisors is an integer number (6106031304).

Almost surely, 2^42113656613 is an apocalyptic number.

It is an amenable number.

42113656613 is a deficient number, since it is larger than the sum of its proper divisors (6734593819).

42113656613 is an equidigital number, since it uses as much as digits as its factorization.

42113656613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89794651.

The product of its digits is 77760, while the sum is 38.

The spelling of 42113656613 in words is "forty-two billion, one hundred thirteen million, six hundred fifty-six thousand, six hundred thirteen".