3640965767999 has 8 divisors (see below), whose sum is σ = 4204001712288. Its totient is φ = 3088654318080.

The previous prime is 3640965767983. The next prime is 3640965768001. The reversal of 3640965767999 is 9997675690463.

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 3640965767999 - 2⁴ = 3640965767983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640965767099) 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, 2681122862 + ... + 2681124219.

It is an arithmetic number, because the mean of its divisors is an integer number (525500214036).

Almost surely, 2^{3640965767999} is an apocalyptic number.

3640965767999 is a deficient number, since it is larger than the sum of its proper divisors (563035944289).

3640965767999 is an equidigital number, since it uses as much as digits as its factorization.

3640965767999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5362247185.

The product of its (nonzero) digits is 4166497440, while the sum is 80.

The spelling of 3640965767999 in words is "three trillion, six hundred forty billion, nine hundred sixty-five million, seven hundred sixty-seven thousand, nine hundred ninety-nine".