634310315243152 has 10 divisors (see below), whose sum is σ = 1228976235783638. Its totient is φ = 317155157621568.

The previous prime is 634310315243149. The next prime is 634310315243221. The reversal of 634310315243152 is 251342513013436.

It can be written as a sum of positive squares in only one way, i.e., 497763050844816 + 136547264398336 = 22310604^2 + 11685344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 634310315243099 and 634310315243108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19822197351333 + ... + 19822197351364.

Almost surely, 2^{634310315243152} is an apocalyptic number.

It is an amenable number.

634310315243152 is a deficient number, since it is larger than the sum of its proper divisors (594665920540486).

634310315243152 is a wasteful number, since it uses less digits than its factorization.

634310315243152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39644394702705 (or 39644394702699 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

Adding to 634310315243152 its reverse (251342513013436), we get a palindrome (885652828256588).

The spelling of 634310315243152 in words is "six hundred thirty-four trillion, three hundred ten billion, three hundred fifteen million, two hundred forty-three thousand, one hundred fifty-two".