4868550891 has 12 divisors (see below), whose sum is σ = 7111367640. Its totient is φ = 3209231520.

The previous prime is 4868550889. The next prime is 4868550901. The reversal of 4868550891 is 1980558684.

It is a happy number.

4868550891 is a `hidden beast` number, since 4 + 8 + 6 + 8 + 550 + 89 + 1 = 666.

It is not a de Polignac number, because 4868550891 - 2¹ = 4868550889 is a prime.

It is a super-3 number, since 3×4868550891³ (a number of 30 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4868550881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3038245 + ... + 3039846.

It is an arithmetic number, because the mean of its divisors is an integer number (592613970).

Almost surely, 2^4868550891 is an apocalyptic number.

4868550891 is a deficient number, since it is larger than the sum of its proper divisors (2242816749).

4868550891 is a wasteful number, since it uses less digits than its factorization.

4868550891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6078186 (or 6078183 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The square root of 4868550891 is about 69775.0019061268. The cubic root of 4868550891 is about 1694.8576892555.

The spelling of 4868550891 in words is "four billion, eight hundred sixty-eight million, five hundred fifty thousand, eight hundred ninety-one".