4618028857 has 4 divisors (see below), whose sum is σ = 4973261860. Its totient is φ = 4262795856.

The previous prime is 4618028813. The next prime is 4618028861. The reversal of 4618028857 is 7588208164.

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 1171282176 + 3446746681 = 34224^2 + 58709^2 .

It is a cyclic number.

It is not a de Polignac number, because 4618028857 - 2¹⁹ = 4617504569 is a prime.

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 4618028857.

It is not an unprimeable number, because it can be changed into a prime (4618028897) 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, 177616482 + ... + 177616507.

It is an arithmetic number, because the mean of its divisors is an integer number (1243315465).

Almost surely, 2^4618028857 is an apocalyptic number.

It is an amenable number.

4618028857 is a deficient number, since it is larger than the sum of its proper divisors (355233003).

4618028857 is a wasteful number, since it uses less digits than its factorization.

4618028857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355233002.

The product of its (nonzero) digits is 860160, while the sum is 49.

The square root of 4618028857 is about 67956.0803534165. The cubic root of 4618028857 is about 1665.2734095765.

The spelling of 4618028857 in words is "four billion, six hundred eighteen million, twenty-eight thousand, eight hundred fifty-seven".