670628819673 has 24 divisors (see below), whose sum is σ = 1019796346400. Its totient is φ = 423502375104.

The previous prime is 670628819579. The next prime is 670628819681. The reversal of 670628819673 is 376918826076.

670628819673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 670628819673 - 2⁸ = 670628819417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 670628819673.

It is not an unprimeable number, because it can be changed into a prime (670628859673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1158861 + ... + 1638357.

Almost surely, 2^670628819673 is an apocalyptic number.

It is an amenable number.

670628819673 is a deficient number, since it is larger than the sum of its proper divisors (349167526727).

670628819673 is a wasteful number, since it uses less digits than its factorization.

670628819673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487701 (or 487698 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 670628819673 in words is "six hundred seventy billion, six hundred twenty-eight million, eight hundred nineteen thousand, six hundred seventy-three".