4303408421 has 16 divisors (see below), whose sum is σ = 4756894128. Its totient is φ = 3867801600.

The previous prime is 4303408409. The next prime is 4303408451. The reversal of 4303408421 is 1248043034.

It can be written as a sum of positive squares in 8 ways, for example, as 336172225 + 3967236196 = 18335^2 + 62986^2 .

It is not a de Polignac number, because 4303408421 - 2⁶ = 4303408357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4303408451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269945 + ... + 285441.

It is an arithmetic number, because the mean of its divisors is an integer number (297305883).

Almost surely, 2^4303408421 is an apocalyptic number.

4303408421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4303408421 is a deficient number, since it is larger than the sum of its proper divisors (453485707).

4303408421 is a wasteful number, since it uses less digits than its factorization.

4303408421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16072.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 4303408421 is about 65600.3690614618. The cubic root of 4303408421 is about 1626.5628730122.

The spelling of 4303408421 in words is "four billion, three hundred three million, four hundred eight thousand, four hundred twenty-one".