628623979345 has 32 divisors (see below), whose sum is σ = 765428175360. Its totient is φ = 495571292160.

The previous prime is 628623979283. The next prime is 628623979409. The reversal of 628623979345 is 543979326826.

It is not a de Polignac number, because 628623979345 - 2¹⁷ = 628623848273 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93305817 + ... + 93312553.

It is an arithmetic number, because the mean of its divisors is an integer number (23919630480).

Almost surely, 2^628623979345 is an apocalyptic number.

It is an amenable number.

628623979345 is a deficient number, since it is larger than the sum of its proper divisors (136804196015).

628623979345 is a wasteful number, since it uses less digits than its factorization.

628623979345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7785.

The product of its digits is 117573120, while the sum is 64.

The spelling of 628623979345 in words is "six hundred twenty-eight billion, six hundred twenty-three million, nine hundred seventy-nine thousand, three hundred forty-five".