4521825858 has 64 divisors (see below), whose sum is σ = 10038067200. Its totient is φ = 1346492160.

The previous prime is 4521825761. The next prime is 4521825887. The reversal of 4521825858 is 8585281254.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1160778 + ... + 1164666.

It is an arithmetic number, because the mean of its divisors is an integer number (156844800).

Almost surely, 2^4521825858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4521825858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5019033600).

4521825858 is an abundant number, since it is smaller than the sum of its proper divisors (5516241342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4521825858 is a wasteful number, since it uses less digits than its factorization.

4521825858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207.

The product of its digits is 1024000, while the sum is 48.

The square root of 4521825858 is about 67244.5228847674. The cubic root of 4521825858 is about 1653.6284835090.

The spelling of 4521825858 in words is "four billion, five hundred twenty-one million, eight hundred twenty-five thousand, eight hundred fifty-eight".