3664074321 has 12 divisors (see below), whose sum is σ = 5326264372. Its totient is φ = 2427156576.

The previous prime is 3664074319. The next prime is 3664074371. The reversal of 3664074321 is 1234704663.

It is a happy number.

3664074321 is a `hidden beast` number, since 3 + 6 + 640 + 7 + 4 + 3 + 2 + 1 = 666.

3664074321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 387656721 + 3276417600 = 19689^2 + 57240^2 .

It is not a de Polignac number, because 3664074321 - 2¹ = 3664074319 is a prime.

It is a super-2 number, since 2×3664074321² = 26850881259623222082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3664074301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1295146 + ... + 1297971.

Almost surely, 2^3664074321 is an apocalyptic number.

It is an amenable number.

3664074321 is a deficient number, since it is larger than the sum of its proper divisors (1662190051).

3664074321 is a wasteful number, since it uses less digits than its factorization.

3664074321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593280 (or 2593277 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 3664074321 is about 60531.5977073132. The cubic root of 3664074321 is about 1541.6581792153.

Adding to 3664074321 its reverse (1234704663), we get a palindrome (4898778984).

The spelling of 3664074321 in words is "three billion, six hundred sixty-four million, seventy-four thousand, three hundred twenty-one".