42461623165 has 8 divisors (see below), whose sum is σ = 54873482328. Its totient is φ = 31356275520.

The previous prime is 42461623151. The next prime is 42461623219. The reversal of 42461623165 is 56132616424.

It can be written as a sum of positive squares in 4 ways, for example, as 2165878521 + 40295744644 = 46539^2 + 200738^2 .

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

It is not a de Polignac number, because 42461623165 - 2¹¹ = 42461621117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326627806 + ... + 326627935.

It is an arithmetic number, because the mean of its divisors is an integer number (6859185291).

Almost surely, 2^42461623165 is an apocalyptic number.

It is an amenable number.

42461623165 is a deficient number, since it is larger than the sum of its proper divisors (12411859163).

42461623165 is a wasteful number, since it uses less digits than its factorization.

42461623165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653255759.

The product of its digits is 207360, while the sum is 40.

The spelling of 42461623165 in words is "forty-two billion, four hundred sixty-one million, six hundred twenty-three thousand, one hundred sixty-five".