4859666257 has 8 divisors (see below), whose sum is σ = 5148570600. Its totient is φ = 4571099904.

The previous prime is 4859666249. The next prime is 4859666267. The reversal of 4859666257 is 7526669584.

It can be written as a sum of positive squares in 4 ways, for example, as 809743936 + 4049922321 = 28456^2 + 63639^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4859666257 - 2³ = 4859666249 is a prime.

It is a super-2 number, since 2×4859666257² = 47232712258848780098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4859666267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54582 + ... + 112687.

It is an arithmetic number, because the mean of its divisors is an integer number (643571325).

Almost surely, 2^4859666257 is an apocalyptic number.

It is an amenable number.

4859666257 is a deficient number, since it is larger than the sum of its proper divisors (288904343).

4859666257 is a wasteful number, since it uses less digits than its factorization.

4859666257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168995.

The product of its digits is 21772800, while the sum is 58.

The square root of 4859666257 is about 69711.3065219696. The cubic root of 4859666257 is about 1693.8260777418.

The spelling of 4859666257 in words is "four billion, eight hundred fifty-nine million, six hundred sixty-six thousand, two hundred fifty-seven".