634434141434437 has 16 divisors (see below), whose sum is σ = 659302216105984. Its totient is φ = 609854909598000.

The previous prime is 634434141434419. The next prime is 634434141434453. The reversal of 634434141434437 is 734434141434436.

It is a cyclic number.

It is not a de Polignac number, because 634434141434437 - 2¹⁹ = 634434140910149 is a prime.

It is a super-2 number, since 2×634434141434437² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634434141434837) 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 15 ways as a sum of consecutive naturals, for example, 111296133 + ... + 116857594.

It is an arithmetic number, because the mean of its divisors is an integer number (41206388506624).

Almost surely, 2^{634434141434437} is an apocalyptic number.

It is an amenable number.

634434141434437 is a deficient number, since it is larger than the sum of its proper divisors (24868074671547).

634434141434437 is a wasteful number, since it uses less digits than its factorization.

634434141434437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228154360.

The product of its digits is 55738368, while the sum is 55.

Subtracting 634434141434437 from its reverse (734434141434436), we obtain a palindrome (99999999999999).

The spelling of 634434141434437 in words is "six hundred thirty-four trillion, four hundred thirty-four billion, one hundred forty-one million, four hundred thirty-four thousand, four hundred thirty-seven".