4268891121 has 8 divisors (see below), whose sum is σ = 6209296224. Its totient is φ = 2587206720.

The previous prime is 4268891009. The next prime is 4268891161. The reversal of 4268891121 is 1211988624.

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

It is not a de Polignac number, because 4268891121 - 2⁷ = 4268890993 is a prime.

It is a super-3 number, since 3×4268891121³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4268891161) 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, 64680136 + ... + 64680201.

It is an arithmetic number, because the mean of its divisors is an integer number (776162028).

Almost surely, 2^4268891121 is an apocalyptic number.

It is an amenable number.

4268891121 is a deficient number, since it is larger than the sum of its proper divisors (1940405103).

4268891121 is a wasteful number, since it uses less digits than its factorization.

4268891121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129360351.

The product of its digits is 55296, while the sum is 42.

The square root of 4268891121 is about 65336.7516869334. The cubic root of 4268891121 is about 1622.2023494450.

The spelling of 4268891121 in words is "four billion, two hundred sixty-eight million, eight hundred ninety-one thousand, one hundred twenty-one".