3613838243 has 2 divisors, whose sum is σ = 3613838244. Its totient is φ = 3613838242.

The previous prime is 3613838227. The next prime is 3613838279. The reversal of 3613838243 is 3428383163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3613838243 - 2⁴ = 3613838227 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3613838243.

It is not a weakly prime, because it can be changed into another prime (3613838203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806919121 + 1806919122.

It is an arithmetic number, because the mean of its divisors is an integer number (1806919122).

Almost surely, 2^3613838243 is an apocalyptic number.

3613838243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3613838243 is an equidigital number, since it uses as much as digits as its factorization.

3613838243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 41.

The square root of 3613838243 is about 60115.2080841446. The cubic root of 3613838243 is about 1534.5801272861.

The spelling of 3613838243 in words is "three billion, six hundred thirteen million, eight hundred thirty-eight thousand, two hundred forty-three".