4814809857 has 240 divisors, whose sum is σ = 9343724544. Its totient is φ = 2446329600.

The previous prime is 4814809847. The next prime is 4814809859. The reversal of 4814809857 is 7589084184.

4814809857 is a `hidden beast` number, since 4 + 81 + 480 + 9 + 85 + 7 = 666.

It is not a de Polignac number, because 4814809857 - 2⁷ = 4814809729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4814809859) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 90845443 + ... + 90845495.

Almost surely, 2^4814809857 is an apocalyptic number.

It is an amenable number.

4814809857 is a deficient number, since it is larger than the sum of its proper divisors (4528914687).

4814809857 is a wasteful number, since it uses less digits than its factorization.

4814809857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The square root of 4814809857 is about 69388.8309240039. The cubic root of 4814809857 is about 1688.5984267833.

The spelling of 4814809857 in words is "four billion, eight hundred fourteen million, eight hundred nine thousand, eight hundred fifty-seven".