3965885693 has 8 divisors (see below), whose sum is σ = 4944480960. Its totient is φ = 3090300480.

The previous prime is 3965885689. The next prime is 3965885701.

3965885693 is nontrivially palindromic in base 10.

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 3965885693 - 2² = 3965885689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965885683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25752428 + ... + 25752581.

It is an arithmetic number, because the mean of its divisors is an integer number (618060120).

Almost surely, 2^3965885693 is an apocalyptic number.

It is an amenable number.

3965885693 is a deficient number, since it is larger than the sum of its proper divisors (978595267).

3965885693 is a wasteful number, since it uses less digits than its factorization.

3965885693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51505027.

The product of its digits is 41990400, while the sum is 62.

The square root of 3965885693 is about 62975.2784273321. The cubic root of 3965885693 is about 1582.8754044677.

The spelling of 3965885693 in words is "three billion, nine hundred sixty-five million, eight hundred eighty-five thousand, six hundred ninety-three".