634871524363 has 2 divisors, whose sum is σ = 634871524364. Its totient is φ = 634871524362.

The previous prime is 634871524361. The next prime is 634871524433. The reversal of 634871524363 is 363425178436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634871524363 - 2¹ = 634871524361 is a prime.

Together with 634871524361, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 634871524363.

It is not a weakly prime, because it can be changed into another prime (634871524361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317435762181 + 317435762182.

It is an arithmetic number, because the mean of its divisors is an integer number (317435762182).

Almost surely, 2^634871524363 is an apocalyptic number.

634871524363 is a deficient number, since it is larger than the sum of its proper divisors (1).

634871524363 is an equidigital number, since it uses as much as digits as its factorization.

634871524363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 52.

The spelling of 634871524363 in words is "six hundred thirty-four billion, eight hundred seventy-one million, five hundred twenty-four thousand, three hundred sixty-three".