4418945686507 has 16 divisors (see below), whose sum is σ = 4835035941120. Its totient is φ = 4005261453600.

The previous prime is 4418945686487. The next prime is 4418945686531. The reversal of 4418945686507 is 7056865498144.

It is not a de Polignac number, because 4418945686507 - 2¹¹ = 4418945684459 is a prime.

It is a super-2 number, since 2×4418945686507² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4418945686007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7519882 + ... + 8086192.

It is an arithmetic number, because the mean of its divisors is an integer number (302189746320).

Almost surely, 2^{4418945686507} is an apocalyptic number.

4418945686507 is a deficient number, since it is larger than the sum of its proper divisors (416090254613).

4418945686507 is a wasteful number, since it uses less digits than its factorization.

4418945686507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568434.

The product of its (nonzero) digits is 232243200, while the sum is 67.

The spelling of 4418945686507 in words is "four trillion, four hundred eighteen billion, nine hundred forty-five million, six hundred eighty-six thousand, five hundred seven".