628472219441 has 16 divisors (see below), whose sum is σ = 691925010048. Its totient is φ = 566076268800.

The previous prime is 628472219437. The next prime is 628472219443. The reversal of 628472219441 is 144912274826.

It is a cyclic number.

It is not a de Polignac number, because 628472219441 - 2² = 628472219437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 628472219441.

It is not an unprimeable number, because it can be changed into a prime (628472219443) 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, 3378635 + ... + 3559791.

It is an arithmetic number, because the mean of its divisors is an integer number (43245313128).

Almost surely, 2^628472219441 is an apocalyptic number.

It is an amenable number.

628472219441 is a deficient number, since it is larger than the sum of its proper divisors (63452790607).

628472219441 is a wasteful number, since it uses less digits than its factorization.

628472219441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184072.

The product of its digits is 1548288, while the sum is 50.

The spelling of 628472219441 in words is "six hundred twenty-eight billion, four hundred seventy-two million, two hundred nineteen thousand, four hundred forty-one".