42864686506 has 16 divisors (see below), whose sum is σ = 67101984000. Its totient is φ = 20497620528.

The previous prime is 42864686471. The next prime is 42864686507. The reversal of 42864686506 is 60568646824.

It is not an unprimeable number, because it can be changed into a prime (42864686507) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 285535 + ... + 408973.

It is an arithmetic number, because the mean of its divisors is an integer number (4193874000).

Almost surely, 2^42864686506 is an apocalyptic number.

42864686506 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42864686506 is a deficient number, since it is larger than the sum of its proper divisors (24237297494).

42864686506 is a wasteful number, since it uses less digits than its factorization.

42864686506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131013.

The product of its (nonzero) digits is 13271040, while the sum is 55.

The spelling of 42864686506 in words is "forty-two billion, eight hundred sixty-four million, six hundred eighty-six thousand, five hundred six".