632718858349 has 2 divisors, whose sum is σ = 632718858350. Its totient is φ = 632718858348.

The previous prime is 632718858337. The next prime is 632718858377. The reversal of 632718858349 is 943858817236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 464364562249 + 168354296100 = 681443^2 + 410310^2 .

It is a cyclic number.

It is not a de Polignac number, because 632718858349 - 2³⁷ = 495279904877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632718858949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316359429174 + 316359429175.

It is an arithmetic number, because the mean of its divisors is an integer number (316359429175).

Almost surely, 2^632718858349 is an apocalyptic number.

It is an amenable number.

632718858349 is a deficient number, since it is larger than the sum of its proper divisors (1).

632718858349 is an equidigital number, since it uses as much as digits as its factorization.

632718858349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69672960, while the sum is 64.

The spelling of 632718858349 in words is "six hundred thirty-two billion, seven hundred eighteen million, eight hundred fifty-eight thousand, three hundred forty-nine".