669062628485 has 16 divisors (see below), whose sum is σ = 877525788672. Its totient is φ = 487514323200.

The previous prime is 669062628463. The next prime is 669062628503. The reversal of 669062628485 is 584826260966.

669062628485 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 669062628485 - 2¹⁰ = 669062627461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126954221 + ... + 126959490.

It is an arithmetic number, because the mean of its divisors is an integer number (54845361792).

Almost surely, 2^669062628485 is an apocalyptic number.

It is an amenable number.

669062628485 is a deficient number, since it is larger than the sum of its proper divisors (208463160187).

669062628485 is a wasteful number, since it uses less digits than its factorization.

669062628485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253913764.

The product of its (nonzero) digits is 59719680, while the sum is 62.

The spelling of 669062628485 in words is "six hundred sixty-nine billion, sixty-two million, six hundred twenty-eight thousand, four hundred eighty-five".