628203297405 has 8 divisors (see below), whose sum is σ = 1005125275872. Its totient is φ = 335041758608.

The previous prime is 628203297391. The next prime is 628203297427. The reversal of 628203297405 is 504792302826.

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 628203297405 - 2⁵ = 628203297373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20940109899 + ... + 20940109928.

It is an arithmetic number, because the mean of its divisors is an integer number (125640659484).

Almost surely, 2^628203297405 is an apocalyptic number.

It is an amenable number.

628203297405 is a deficient number, since it is larger than the sum of its proper divisors (376921978467).

628203297405 is a wasteful number, since it uses less digits than its factorization.

628203297405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41880219835.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 628203297405 in words is "six hundred twenty-eight billion, two hundred three million, two hundred ninety-seven thousand, four hundred five".