634887703444 has 24 divisors (see below), whose sum is σ = 1126562810240. Its totient is φ = 313014849984.

The previous prime is 634887703391. The next prime is 634887703481. The reversal of 634887703444 is 444307788436.

It is a super-2 number, since 2×634887703444² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866947 + ... + 1421749.

Almost surely, 2^634887703444 is an apocalyptic number.

It is an amenable number.

634887703444 is a deficient number, since it is larger than the sum of its proper divisors (491675106796).

634887703444 is a wasteful number, since it uses less digits than its factorization.

634887703444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558799 (or 558797 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 58.

It can be divided in two parts, 634887 and 703444, that added together give a palindrome (1338331).

The spelling of 634887703444 in words is "six hundred thirty-four billion, eight hundred eighty-seven million, seven hundred three thousand, four hundred forty-four".