42846815999 has 4 divisors (see below), whose sum is σ = 46142724936. Its totient is φ = 39550907064.

The previous prime is 42846815993. The next prime is 42846816007. The reversal of 42846815999 is 99951864824.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42846815999 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 (42846815993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647954449 + ... + 1647954474.

It is an arithmetic number, because the mean of its divisors is an integer number (11535681234).

Almost surely, 2^42846815999 is an apocalyptic number.

42846815999 is a deficient number, since it is larger than the sum of its proper divisors (3295908937).

42846815999 is a wasteful number, since it uses less digits than its factorization.

42846815999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295908936.

The product of its digits is 44789760, while the sum is 65.

The spelling of 42846815999 in words is "forty-two billion, eight hundred forty-six million, eight hundred fifteen thousand, nine hundred ninety-nine".