3604243639 has 2 divisors, whose sum is σ = 3604243640. Its totient is φ = 3604243638.

The previous prime is 3604243637. The next prime is 3604243649. The reversal of 3604243639 is 9363424063.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3604243639 - 2¹ = 3604243637 is a prime.

Together with 3604243637, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3604243631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1802121819 + 1802121820.

It is an arithmetic number, because the mean of its divisors is an integer number (1802121820).

Almost surely, 2^3604243639 is an apocalyptic number.

3604243639 is a deficient number, since it is larger than the sum of its proper divisors (1).

3604243639 is an equidigital number, since it uses as much as digits as its factorization.

3604243639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 40.

The square root of 3604243639 is about 60035.3532429018. The cubic root of 3604243639 is about 1533.2208395364.

The spelling of 3604243639 in words is "three billion, six hundred four million, two hundred forty-three thousand, six hundred thirty-nine".