731448696628 has 12 divisors (see below), whose sum is σ = 1378499466820. Its totient is φ = 337591706112.

The previous prime is 731448696571. The next prime is 731448696659. The reversal of 731448696628 is 826696844137.

It can be written as a sum of positive squares in 2 ways, for example, as 34671184804 + 696777511824 = 186202^2 + 834732^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 731448696628.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7033160493 + ... + 7033160596.

Almost surely, 2^731448696628 is an apocalyptic number.

It is an amenable number.

731448696628 is a deficient number, since it is larger than the sum of its proper divisors (647050770192).

731448696628 is a wasteful number, since it uses less digits than its factorization.

731448696628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14066321106 (or 14066321104 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 64.

The spelling of 731448696628 in words is "seven hundred thirty-one billion, four hundred forty-eight million, six hundred ninety-six thousand, six hundred twenty-eight".