628940625493 has 8 divisors (see below), whose sum is σ = 629603162496. Its totient is φ = 628278194400.

The previous prime is 628940625457. The next prime is 628940625527. The reversal of 628940625493 is 394526049826.

628940625493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 628940625493 - 2¹⁷ = 628940494421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628940625413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18464388 + ... + 18498418.

It is an arithmetic number, because the mean of its divisors is an integer number (78700395312).

Almost surely, 2^628940625493 is an apocalyptic number.

It is an amenable number.

628940625493 is a deficient number, since it is larger than the sum of its proper divisors (662537003).

628940625493 is a wasteful number, since it uses less digits than its factorization.

628940625493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52955.

The product of its (nonzero) digits is 22394880, while the sum is 58.

The spelling of 628940625493 in words is "six hundred twenty-eight billion, nine hundred forty million, six hundred twenty-five thousand, four hundred ninety-three".