3665973695 has 16 divisors (see below), whose sum is σ = 4498921440. Its totient is φ = 2866690944.

The previous prime is 3665973691. The next prime is 3665973697. The reversal of 3665973695 is 5963795663.

It is a cyclic number.

It is not a de Polignac number, because 3665973695 - 2² = 3665973691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665973691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45572 + ... + 96998.

It is an arithmetic number, because the mean of its divisors is an integer number (281182590).

Almost surely, 2^3665973695 is an apocalyptic number.

3665973695 is a deficient number, since it is larger than the sum of its proper divisors (832947745).

3665973695 is a wasteful number, since it uses less digits than its factorization.

3665973695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51754.

The product of its digits is 27556200, while the sum is 59.

The square root of 3665973695 is about 60547.2847863552. The cubic root of 3665973695 is about 1541.9245202138.

The spelling of 3665973695 in words is "three billion, six hundred sixty-five million, nine hundred seventy-three thousand, six hundred ninety-five".