628816535194 has 8 divisors (see below), whose sum is σ = 943372454580. Its totient is φ = 314359050336.

The previous prime is 628816535159. The next prime is 628816535197. The reversal of 628816535194 is 491535618826.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 543040769569 + 85775765625 = 736913^2 + 292875^2 .

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 (628816535197) 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, 24592659 + ... + 24618214.

Almost surely, 2^628816535194 is an apocalyptic number.

628816535194 is a deficient number, since it is larger than the sum of its proper divisors (314555919386).

628816535194 is a wasteful number, since it uses less digits than its factorization.

628816535194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49217264.

The product of its digits is 12441600, while the sum is 58.

The spelling of 628816535194 in words is "six hundred twenty-eight billion, eight hundred sixteen million, five hundred thirty-five thousand, one hundred ninety-four".