3643630339 has 2 divisors, whose sum is σ = 3643630340. Its totient is φ = 3643630338.

The previous prime is 3643630279. The next prime is 3643630343. The reversal of 3643630339 is 9330363463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3643630339 - 2⁹ = 3643629827 is a prime.

It is not a weakly prime, because it can be changed into another prime (3643630139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821815169 + 1821815170.

It is an arithmetic number, because the mean of its divisors is an integer number (1821815170).

Almost surely, 2^3643630339 is an apocalyptic number.

3643630339 is a deficient number, since it is larger than the sum of its proper divisors (1).

3643630339 is an equidigital number, since it uses as much as digits as its factorization.

3643630339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 40.

The square root of 3643630339 is about 60362.4911596597. The cubic root of 3643630339 is about 1538.7855634671.

The spelling of 3643630339 in words is "three billion, six hundred forty-three million, six hundred thirty thousand, three hundred thirty-nine".