634130612303 has 4 divisors (see below), whose sum is σ = 634160386848. Its totient is φ = 634100837760.

The previous prime is 634130612267. The next prime is 634130612317. The reversal of 634130612303 is 303216031436.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 634130612303 - 2¹⁴ = 634130595919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 634130612303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634130612333) 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, 14855303 + ... + 14897928.

It is an arithmetic number, because the mean of its divisors is an integer number (158540096712).

Almost surely, 2^634130612303 is an apocalyptic number.

634130612303 is a deficient number, since it is larger than the sum of its proper divisors (29774545).

634130612303 is a wasteful number, since it uses less digits than its factorization.

634130612303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29774544.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 634130612303 its reverse (303216031436), we get a palindrome (937346643739).

The spelling of 634130612303 in words is "six hundred thirty-four billion, one hundred thirty million, six hundred twelve thousand, three hundred three".