628518963 has 16 divisors (see below), whose sum is σ = 868734720. Its totient is φ = 403870176.

The previous prime is 628518923. The next prime is 628518973. The reversal of 628518963 is 369815826.

It is a happy number.

628518963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 628518963 - 2¹² = 628514867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (628518923) 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, 14583 + ... + 38336.

It is an arithmetic number, because the mean of its divisors is an integer number (54295920).

Almost surely, 2^628518963 is an apocalyptic number.

628518963 is a deficient number, since it is larger than the sum of its proper divisors (240215757).

628518963 is a wasteful number, since it uses less digits than its factorization.

628518963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53066.

The product of its digits is 622080, while the sum is 48.

The square root of 628518963 is about 25070.2804731020. The cubic root of 628518963 is about 856.5895957520.

The spelling of 628518963 in words is "six hundred twenty-eight million, five hundred eighteen thousand, nine hundred sixty-three".