3683985035641 has 9 divisors (see below), whose sum is σ = 3703160477551. Its totient is φ = 3664908407272.

The previous prime is 3683985035593. The next prime is 3683985035659. The reversal of 3683985035641 is 1465305893863.

The square root of 3683985035641 is 1919371.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3609563013225 + 74422022416 = 1899885^2 + 272804^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3683985035641 is a prime.

It is a super-3 number, since 3×3683985035641³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3683985035641.

It is not an unprimeable number, because it can be changed into a prime (3683985039641) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 378111216 + ... + 378120958.

Almost surely, 2^{3683985035641} is an apocalyptic number.

3683985035641 is the 1919371-st square number.

3683985035641 is the 959686-th centered octagonal number.

It is an amenable number.

3683985035641 is a deficient number, since it is larger than the sum of its proper divisors (19175441910).

3683985035641 is an frugal number, since it uses more digits than its factorization.

3683985035641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19880 (or 9940 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 61.

The spelling of 3683985035641 in words is "three trillion, six hundred eighty-three billion, nine hundred eighty-five million, thirty-five thousand, six hundred forty-one".