4267728897 has 4 divisors (see below), whose sum is σ = 5690305200. Its totient is φ = 2845152596.

The previous prime is 4267728859. The next prime is 4267728901. The reversal of 4267728897 is 7988277624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4267728897 - 2¹⁴ = 4267712513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4267728897.

It is not an unprimeable number, because it can be changed into a prime (4267728097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711288147 + ... + 711288152.

It is an arithmetic number, because the mean of its divisors is an integer number (1422576300).

Almost surely, 2^4267728897 is an apocalyptic number.

It is an amenable number.

4267728897 is a deficient number, since it is larger than the sum of its proper divisors (1422576303).

4267728897 is a wasteful number, since it uses less digits than its factorization.

4267728897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422576302.

The product of its digits is 18966528, while the sum is 60.

The square root of 4267728897 is about 65327.8569754129. The cubic root of 4267728897 is about 1622.0551188899.

The spelling of 4267728897 in words is "four billion, two hundred sixty-seven million, seven hundred twenty-eight thousand, eight hundred ninety-seven".