628389135674 has 8 divisors (see below), whose sum is σ = 945800713620. Its totient is φ = 313122231136.

The previous prime is 628389135659. The next prime is 628389135677. The reversal of 628389135674 is 476531983826.

It can be written as a sum of positive squares in 2 ways, for example, as 584773737025 + 43615398649 = 764705^2 + 208843^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (628389135677) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 536167619 + ... + 536168790.

Almost surely, 2^628389135674 is an apocalyptic number.

628389135674 is a deficient number, since it is larger than the sum of its proper divisors (317411577946).

628389135674 is a wasteful number, since it uses less digits than its factorization.

628389135674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072336704.

The product of its digits is 52254720, while the sum is 62.

The spelling of 628389135674 in words is "six hundred twenty-eight billion, three hundred eighty-nine million, one hundred thirty-five thousand, six hundred seventy-four".