4238997930685 has 16 divisors (see below), whose sum is σ = 5813685360000. Its totient is φ = 2906640196416.

The previous prime is 4238997930577. The next prime is 4238997930689. The reversal of 4238997930685 is 5860397998324.

It is a cyclic number.

It is not a de Polignac number, because 4238997930685 - 2¹¹ = 4238997928637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238997930689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1082935 + ... + 3106564.

It is an arithmetic number, because the mean of its divisors is an integer number (363355335000).

Almost surely, 2^{4238997930685} is an apocalyptic number.

It is an amenable number.

4238997930685 is a deficient number, since it is larger than the sum of its proper divisors (1574687429315).

4238997930685 is a wasteful number, since it uses less digits than its factorization.

4238997930685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218420.

The product of its (nonzero) digits is 705438720, while the sum is 73.

The spelling of 4238997930685 in words is "four trillion, two hundred thirty-eight billion, nine hundred ninety-seven million, nine hundred thirty thousand, six hundred eighty-five".