4253981573 has 4 divisors (see below), whose sum is σ = 4477875360. Its totient is φ = 4030087788.

The previous prime is 4253981569. The next prime is 4253981581. The reversal of 4253981573 is 3751893524.

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 4253981573 - 2² = 4253981569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4253981503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111946865 + ... + 111946902.

It is an arithmetic number, because the mean of its divisors is an integer number (1119468840).

Almost surely, 2^4253981573 is an apocalyptic number.

It is an amenable number.

4253981573 is a deficient number, since it is larger than the sum of its proper divisors (223893787).

4253981573 is a wasteful number, since it uses less digits than its factorization.

4253981573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223893786.

The product of its digits is 907200, while the sum is 47.

The square root of 4253981573 is about 65222.5541741505. The cubic root of 4253981573 is about 1620.3115761269.

The spelling of 4253981573 in words is "four billion, two hundred fifty-three million, nine hundred eighty-one thousand, five hundred seventy-three".