3664381399 has 16 divisors (see below), whose sum is σ = 4436315136. Its totient is φ = 2954736000.

The previous prime is 3664381361. The next prime is 3664381411. The reversal of 3664381399 is 9931834663.

It is not a de Polignac number, because 3664381399 - 2⁹ = 3664380887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664382399) 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, 297534 + ... + 309604.

It is an arithmetic number, because the mean of its divisors is an integer number (277269696).

Almost surely, 2^3664381399 is an apocalyptic number.

3664381399 is a deficient number, since it is larger than the sum of its proper divisors (771933737).

3664381399 is a wasteful number, since it uses less digits than its factorization.

3664381399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14646.

The product of its digits is 2519424, while the sum is 52.

The square root of 3664381399 is about 60534.1341641226. The cubic root of 3664381399 is about 1541.7012456713.

The spelling of 3664381399 in words is "three billion, six hundred sixty-four million, three hundred eighty-one thousand, three hundred ninety-nine".