628956740179 has 4 divisors (see below), whose sum is σ = 633909155584. Its totient is φ = 624004324776.

The previous prime is 628956740173. The next prime is 628956740189. The reversal of 628956740179 is 971047659826.

628956740179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 628956740179 - 2³⁹ = 79200926291 is a prime.

It is a super-2 number, since 2×628956740179² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 628956740179.

It is not an unprimeable number, because it can be changed into a prime (628956740173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2476207512 + ... + 2476207765.

It is an arithmetic number, because the mean of its divisors is an integer number (158477288896).

Almost surely, 2^628956740179 is an apocalyptic number.

628956740179 is a deficient number, since it is larger than the sum of its proper divisors (4952415405).

628956740179 is a wasteful number, since it uses less digits than its factorization.

628956740179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952415404.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 628956740179 in words is "six hundred twenty-eight billion, nine hundred fifty-six million, seven hundred forty thousand, one hundred seventy-nine".