636048383 has 2 divisors, whose sum is σ = 636048384. Its totient is φ = 636048382.

The previous prime is 636048373. The next prime is 636048419. The reversal of 636048383 is 383840636.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-636048383 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 636048383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (636048373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318024191 + 318024192.

It is an arithmetic number, because the mean of its divisors is an integer number (318024192).

Almost surely, 2^636048383 is an apocalyptic number.

636048383 is a deficient number, since it is larger than the sum of its proper divisors (1).

636048383 is an equidigital number, since it uses as much as digits as its factorization.

636048383 is an evil number, because the sum of its binary digits is even.

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

The square root of 636048383 is about 25219.9996629659. Note that the first 3 decimals coincide. The cubic root of 636048383 is about 859.9965670496.

The spelling of 636048383 in words is "six hundred thirty-six million, forty-eight thousand, three hundred eighty-three".