4274265721 has 4 divisors (see below), whose sum is σ = 4662835344. Its totient is φ = 3885696100.

The previous prime is 4274265701. The next prime is 4274265733. The reversal of 4274265721 is 1275624724.

4274265721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 4274265721 - 2²³ = 4265877113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4274265701) 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, 194284795 + ... + 194284816.

It is an arithmetic number, because the mean of its divisors is an integer number (1165708836).

Almost surely, 2^4274265721 is an apocalyptic number.

It is an amenable number.

4274265721 is a deficient number, since it is larger than the sum of its proper divisors (388569623).

4274265721 is a wasteful number, since it uses less digits than its factorization.

4274265721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388569622.

The product of its digits is 188160, while the sum is 40.

The square root of 4274265721 is about 65377.8687401172. The cubic root of 4274265721 is about 1622.8828565579.

The spelling of 4274265721 in words is "four billion, two hundred seventy-four million, two hundred sixty-five thousand, seven hundred twenty-one".