635742383 has 2 divisors, whose sum is σ = 635742384. Its totient is φ = 635742382.

The previous prime is 635742377. The next prime is 635742403. The reversal of 635742383 is 383247536.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 635742383 - 2⁸ = 635742127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 635742383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (635742313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317871191 + 317871192.

It is an arithmetic number, because the mean of its divisors is an integer number (317871192).

Almost surely, 2^635742383 is an apocalyptic number.

635742383 is a deficient number, since it is larger than the sum of its proper divisors (1).

635742383 is an equidigital number, since it uses as much as digits as its factorization.

635742383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 41.

The square root of 635742383 is about 25213.9323192556. The cubic root of 635742383 is about 859.8586314410.

The spelling of 635742383 in words is "six hundred thirty-five million, seven hundred forty-two thousand, three hundred eighty-three".