628968203 has 2 divisors, whose sum is σ = 628968204. Its totient is φ = 628968202.

The previous prime is 628968199. The next prime is 628968247. The reversal of 628968203 is 302869826.

It is an a-pointer prime, because the next prime (628968247) can be obtained adding 628968203 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 628968203 - 2² = 628968199 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (628968503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314484101 + 314484102.

It is an arithmetic number, because the mean of its divisors is an integer number (314484102).

Almost surely, 2^628968203 is an apocalyptic number.

628968203 is a deficient number, since it is larger than the sum of its proper divisors (1).

628968203 is an equidigital number, since it uses as much as digits as its factorization.

628968203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 628968203 is about 25079.2384852491. The cubic root of 628968203 is about 856.7936323766.

The spelling of 628968203 in words is "six hundred twenty-eight million, nine hundred sixty-eight thousand, two hundred three".