42445372613 has 8 divisors (see below), whose sum is σ = 48541631232. Its totient is φ = 36357272496.

The previous prime is 42445372583. The next prime is 42445372661. The reversal of 42445372613 is 31627354424.

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 42445372613 - 2¹⁴ = 42445356229 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 (42445372663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028470 + ... + 2049287.

It is an arithmetic number, because the mean of its divisors is an integer number (6067703904).

Almost surely, 2^42445372613 is an apocalyptic number.

It is an amenable number.

42445372613 is a deficient number, since it is larger than the sum of its proper divisors (6096258619).

42445372613 is a wasteful number, since it uses less digits than its factorization.

42445372613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079251.

The product of its digits is 483840, while the sum is 41.

The spelling of 42445372613 in words is "forty-two billion, four hundred forty-five million, three hundred seventy-two thousand, six hundred thirteen".