4591210068 has 18 divisors (see below), whose sum is σ = 11605558874. Its totient is φ = 1530403344.

The previous prime is 4591210051. The next prime is 4591210069. The reversal of 4591210068 is 8600121954.

4591210068 is a `hidden beast` number, since 4 + 591 + 2 + 1 + 0 + 0 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4591146564 + 63504 = 67758^2 + 252^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 127533613 = 4591210068 / (4 + 5 + 9 + 1 + 2 + 1 + 0 + 0 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4591210069) 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 5 ways as a sum of consecutive naturals, for example, 63766771 + ... + 63766842.

Almost surely, 2^4591210068 is an apocalyptic number.

It is an amenable number.

4591210068 is an abundant number, since it is smaller than the sum of its proper divisors (7014348806).

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

4591210068 is a wasteful number, since it uses less digits than its factorization.

4591210068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127533623 (or 127533618 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 4591210068 is about 67758.4686072523. The cubic root of 4591210068 is about 1662.0435069654.

The spelling of 4591210068 in words is "four billion, five hundred ninety-one million, two hundred ten thousand, sixty-eight".