42816670736247 has 20 divisors (see below), whose sum is σ = 63961757996136. Its totient is φ = 28543977523440.

The previous prime is 42816670736221. The next prime is 42816670736263. The reversal of 42816670736247 is 74263707661824.

42816670736247 is a `hidden beast` number, since 4 + 2 + 8 + 166 + 70 + 7 + 362 + 47 = 666.

It is not a de Polignac number, because 42816670736247 - 2²³ = 42816662347639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42816670776247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 640233 + ... + 9275949.

Almost surely, 2^{42816670736247} is an apocalyptic number.

42816670736247 is a deficient number, since it is larger than the sum of its proper divisors (21145087259889).

42816670736247 is an equidigital number, since it uses as much as digits as its factorization.

42816670736247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8696940 (or 8696931 counting only the distinct ones).

The product of its (nonzero) digits is 113799168, while the sum is 63.

The spelling of 42816670736247 in words is "forty-two trillion, eight hundred sixteen billion, six hundred seventy million, seven hundred thirty-six thousand, two hundred forty-seven".