4305076421 has 4 divisors (see below), whose sum is σ = 4386304332. Its totient is φ = 4223848512.

The previous prime is 4305076417. The next prime is 4305076471. The reversal of 4305076421 is 1246705034.

4305076421 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 an emirpimes, since its reverse is a distinct semiprime: 1246705034 = 2 ⋅623352517.

It can be written as a sum of positive squares in 2 ways, for example, as 1452448321 + 2852628100 = 38111^2 + 53410^2 .

It is a cyclic number.

It is not a de Polignac number, because 4305076421 - 2² = 4305076417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4305076471) 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, 40613876 + ... + 40613981.

It is an arithmetic number, because the mean of its divisors is an integer number (1096576083).

Almost surely, 2^4305076421 is an apocalyptic number.

It is an amenable number.

4305076421 is a deficient number, since it is larger than the sum of its proper divisors (81227911).

4305076421 is an equidigital number, since it uses as much as digits as its factorization.

4305076421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81227910.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 4305076421 is about 65613.0811728881. The cubic root of 4305076421 is about 1626.7729976506.

The spelling of 4305076421 in words is "four billion, three hundred five million, seventy-six thousand, four hundred twenty-one".