634544445436 has 24 divisors (see below), whose sum is σ = 1264072731264. Its totient is φ = 275888888880.

The previous prime is 634544445373. The next prime is 634544445589.

It is a happy number.

634544445436 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313509090 + ... + 313511113.

It is an arithmetic number, because the mean of its divisors is an integer number (52669697136).

Almost surely, 2^634544445436 is an apocalyptic number.

It is an amenable number.

634544445436 is a deficient number, since it is larger than the sum of its proper divisors (629528285828).

634544445436 is a wasteful number, since it uses less digits than its factorization.

634544445436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627020241 (or 627020239 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 52.

The spelling of 634544445436 in words is "six hundred thirty-four billion, five hundred forty-four million, four hundred forty-five thousand, four hundred thirty-six".