3681965995 has 8 divisors (see below), whose sum is σ = 4678262784. Its totient is φ = 2772303744.

The previous prime is 3681965993. The next prime is 3681965999. The reversal of 3681965995 is 5995691863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3681965995 - 2¹ = 3681965993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3681965993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21658539 + ... + 21658708.

It is an arithmetic number, because the mean of its divisors is an integer number (584782848).

Almost surely, 2^3681965995 is an apocalyptic number.

3681965995 is a deficient number, since it is larger than the sum of its proper divisors (996296789).

3681965995 is a wasteful number, since it uses less digits than its factorization.

3681965995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43317269.

The product of its digits is 15746400, while the sum is 61.

The square root of 3681965995 is about 60679.2056226843. The cubic root of 3681965995 is about 1544.1634114487.

The spelling of 3681965995 in words is "three billion, six hundred eighty-one million, nine hundred sixty-five thousand, nine hundred ninety-five".