634082531447 has 4 divisors (see below), whose sum is σ = 667455296280. Its totient is φ = 600709766616.

The previous prime is 634082531437. The next prime is 634082531449. The reversal of 634082531447 is 744135280436.

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 634082531447 - 2¹⁰ = 634082530423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634082531449) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 16686382388 + ... + 16686382425.

It is an arithmetic number, because the mean of its divisors is an integer number (166863824070).

Almost surely, 2^634082531447 is an apocalyptic number.

634082531447 is a deficient number, since it is larger than the sum of its proper divisors (33372764833).

634082531447 is a wasteful number, since it uses less digits than its factorization.

634082531447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33372764832.

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 634082531447 in words is "six hundred thirty-four billion, eighty-two million, five hundred thirty-one thousand, four hundred forty-seven".