42836816815 has 32 divisors (see below), whose sum is σ = 55934738496. Its totient is φ = 31305415680.

The previous prime is 42836816807. The next prime is 42836816821. The reversal of 42836816815 is 51861863824.

It is a happy number.

It is not a de Polignac number, because 42836816815 - 2³ = 42836816807 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2940289 + ... + 2954821.

It is an arithmetic number, because the mean of its divisors is an integer number (1747960578).

Almost surely, 2^42836816815 is an apocalyptic number.

42836816815 is a deficient number, since it is larger than the sum of its proper divisors (13097921681).

42836816815 is a wasteful number, since it uses less digits than its factorization.

42836816815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15019.

The product of its digits is 2211840, while the sum is 52.

The spelling of 42836816815 in words is "forty-two billion, eight hundred thirty-six million, eight hundred sixteen thousand, eight hundred fifteen".