4257868289 has 8 divisors (see below), whose sum is σ = 4494389280. Its totient is φ = 4033763460.

The previous prime is 4257868271. The next prime is 4257868301. The reversal of 4257868289 is 9828687524.

It is not a de Polignac number, because 4257868289 - 2²⁰ = 4256819713 is a prime.

It is a super-3 number, since 3×4257868289³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4257868249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303527 + ... + 317244.

It is an arithmetic number, because the mean of its divisors is an integer number (561798660).

Almost surely, 2^4257868289 is an apocalyptic number.

It is an amenable number.

4257868289 is a deficient number, since it is larger than the sum of its proper divisors (236520991).

4257868289 is an frugal number, since it uses more digits than its factorization.

4257868289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620828 (or 620790 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 59.

The square root of 4257868289 is about 65252.3431686556. The cubic root of 4257868289 is about 1620.8049001497.

The spelling of 4257868289 in words is "four billion, two hundred fifty-seven million, eight hundred sixty-eight thousand, two hundred eighty-nine".