4001036684685 has 16 divisors (see below), whose sum is σ = 6401883897024. Its totient is φ = 2133811164672.

The previous prime is 4001036684543. The next prime is 4001036684741. The reversal of 4001036684685 is 5864866301004.

It is not a de Polignac number, because 4001036684685 - 2¹¹ = 4001036682637 is a prime.

It is a super-2 number, since 2×4001036684685² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4249747 + ... + 5105136.

It is an arithmetic number, because the mean of its divisors is an integer number (400117743564).

Almost surely, 2^{4001036684685} is an apocalyptic number.

It is an amenable number.

4001036684685 is a deficient number, since it is larger than the sum of its proper divisors (2400847212339).

4001036684685 is a wasteful number, since it uses less digits than its factorization.

4001036684685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9383404.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 4001036684685 in words is "four trillion, one billion, thirty-six million, six hundred eighty-four thousand, six hundred eighty-five".