4255387689 has 8 divisors (see below), whose sum is σ = 6484400320. Its totient is φ = 2431650096.

The previous prime is 4255387681. The next prime is 4255387709. The reversal of 4255387689 is 9867835524.

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

It is not a de Polignac number, because 4255387689 - 2³ = 4255387681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4255387681) 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, 101318734 + ... + 101318775.

It is an arithmetic number, because the mean of its divisors is an integer number (810550040).

Almost surely, 2^4255387689 is an apocalyptic number.

It is an amenable number.

4255387689 is a deficient number, since it is larger than the sum of its proper divisors (2229012631).

4255387689 is a wasteful number, since it uses less digits than its factorization.

4255387689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202637519.

The product of its digits is 14515200, while the sum is 57.

The square root of 4255387689 is about 65233.3326528700. The cubic root of 4255387689 is about 1620.4900830159.

The spelling of 4255387689 in words is "four billion, two hundred fifty-five million, three hundred eighty-seven thousand, six hundred eighty-nine".