628416227573 has 4 divisors (see below), whose sum is σ = 628515714060. Its totient is φ = 628316741088.

The previous prime is 628416227563. The next prime is 628416227587. The reversal of 628416227573 is 375722614826.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 338604118609 + 289812108964 = 581897^2 + 538342^2 .

It is a cyclic number.

It is not a de Polignac number, because 628416227573 - 2⁸ = 628416227317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628416227563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49733768 + ... + 49746401.

It is an arithmetic number, because the mean of its divisors is an integer number (157128928515).

Almost surely, 2^628416227573 is an apocalyptic number.

It is an amenable number.

628416227573 is a deficient number, since it is larger than the sum of its proper divisors (99486487).

628416227573 is an equidigital number, since it uses as much as digits as its factorization.

628416227573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99486486.

The product of its digits is 6773760, while the sum is 53.

The spelling of 628416227573 in words is "six hundred twenty-eight billion, four hundred sixteen million, two hundred twenty-seven thousand, five hundred seventy-three".