634245133122532 has 12 divisors (see below), whose sum is σ = 1109929523721340. Its totient is φ = 317122412059296.

The previous prime is 634245133122527. The next prime is 634245133122539. The reversal of 634245133122532 is 235221331542436.

It can be written as a sum of positive squares in 2 ways, for example, as 162722322262756 + 471522810859776 = 12756266^2 + 21714576^2 .

It is not an unprimeable number, because it can be changed into a prime (634245133122539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29129643 + ... + 46011154.

Almost surely, 2^{634245133122532} is an apocalyptic number.

It is an amenable number.

634245133122532 is a deficient number, since it is larger than the sum of its proper divisors (475684390598808).

634245133122532 is a wasteful number, since it uses less digits than its factorization.

634245133122532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77250990 (or 77250988 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 46.

Adding to 634245133122532 its reverse (235221331542436), we get a palindrome (869466464664968).

The spelling of 634245133122532 in words is "six hundred thirty-four trillion, two hundred forty-five billion, one hundred thirty-three million, one hundred twenty-two thousand, five hundred thirty-two".