634034443143 has 8 divisors (see below), whose sum is σ = 845386891888. Its totient is φ = 422685811584.

The previous prime is 634034443139. The next prime is 634034443177. The reversal of 634034443143 is 341344430436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 634034443143 - 2² = 634034443139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634034443243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541180 + ... + 1249377.

It is an arithmetic number, because the mean of its divisors is an integer number (105673361486).

Almost surely, 2^634034443143 is an apocalyptic number.

634034443143 is a deficient number, since it is larger than the sum of its proper divisors (211352448745).

634034443143 is a wasteful number, since it uses less digits than its factorization.

634034443143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908593.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 634034443143 its reverse (341344430436), we get a palindrome (975378873579).

The spelling of 634034443143 in words is "six hundred thirty-four billion, thirty-four million, four hundred forty-three thousand, one hundred forty-three".