628604406733 has 2 divisors, whose sum is σ = 628604406734. Its totient is φ = 628604406732.

The previous prime is 628604406713. The next prime is 628604406869. The reversal of 628604406733 is 337604406826.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380119105444 + 248485301289 = 616538^2 + 498483^2 .

It is a cyclic number.

It is not a de Polignac number, because 628604406733 - 2⁵ = 628604406701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628604406713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314302203366 + 314302203367.

It is an arithmetic number, because the mean of its divisors is an integer number (314302203367).

Almost surely, 2^628604406733 is an apocalyptic number.

It is an amenable number.

628604406733 is a deficient number, since it is larger than the sum of its proper divisors (1).

628604406733 is an equidigital number, since it uses as much as digits as its factorization.

628604406733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 628604406733 in words is "six hundred twenty-eight billion, six hundred four million, four hundred six thousand, seven hundred thirty-three".