634871524351 has 2 divisors, whose sum is σ = 634871524352. Its totient is φ = 634871524350.

The previous prime is 634871524337. The next prime is 634871524361. The reversal of 634871524351 is 153425178436.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634871524351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 634871524295 and 634871524304.

It is a congruent number.

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, 317435762175 + 317435762176.

It is an arithmetic number, because the mean of its divisors is an integer number (317435762176).

Almost surely, 2^634871524351 is an apocalyptic number.

634871524351 is a deficient number, since it is larger than the sum of its proper divisors (1).

634871524351 is an equidigital number, since it uses as much as digits as its factorization.

634871524351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 49.

The spelling of 634871524351 in words is "six hundred thirty-four billion, eight hundred seventy-one million, five hundred twenty-four thousand, three hundred fifty-one".