628520616643 has 16 divisors (see below), whose sum is σ = 669740145984. Its totient is φ = 587785077760.

The previous prime is 628520616611. The next prime is 628520616707. The reversal of 628520616643 is 346616025826.

628520616643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 628520616643 - 2⁵ = 628520616611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628520616943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1488471 + ... + 1863487.

It is an arithmetic number, because the mean of its divisors is an integer number (41858759124).

Almost surely, 2^628520616643 is an apocalyptic number.

628520616643 is a deficient number, since it is larger than the sum of its proper divisors (41219529341).

628520616643 is a wasteful number, since it uses less digits than its factorization.

628520616643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375662.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 628520616643 in words is "six hundred twenty-eight billion, five hundred twenty million, six hundred sixteen thousand, six hundred forty-three".