4350315421 has 2 divisors, whose sum is σ = 4350315422. Its totient is φ = 4350315420.

The previous prime is 4350315407. The next prime is 4350315469. The reversal of 4350315421 is 1245130534.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3360520900 + 989794521 = 57970^2 + 31461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4350315421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4350315421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4350315401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2175157710 + 2175157711.

It is an arithmetic number, because the mean of its divisors is an integer number (2175157711).

Almost surely, 2^4350315421 is an apocalyptic number.

It is an amenable number.

4350315421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4350315421 is an equidigital number, since it uses as much as digits as its factorization.

4350315421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 4350315421 is about 65956.9209484494. The cubic root of 4350315421 is about 1632.4513557842.

Adding to 4350315421 its reverse (1245130534), we get a palindrome (5595445955).

The spelling of 4350315421 in words is "four billion, three hundred fifty million, three hundred fifteen thousand, four hundred twenty-one".