3430321421 has 8 divisors (see below), whose sum is σ = 3635150904. Its totient is φ = 3225830400.

The previous prime is 3430321381. The next prime is 3430321439. The reversal of 3430321421 is 1241230343.

3430321421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 317908900 + 3112412521 = 17830^2 + 55789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3430321421 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 (3430321441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63590 + ... + 104423.

It is an arithmetic number, because the mean of its divisors is an integer number (454393863).

Almost surely, 2^3430321421 is an apocalyptic number.

It is an amenable number.

3430321421 is a deficient number, since it is larger than the sum of its proper divisors (204829483).

3430321421 is a wasteful number, since it uses less digits than its factorization.

3430321421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169231.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3430321421 is about 58568.9458757796. The cubic root of 3430321421 is about 1508.1513890715.

Adding to 3430321421 its reverse (1241230343), we get a palindrome (4671551764).

The spelling of 3430321421 in words is "three billion, four hundred thirty million, three hundred twenty-one thousand, four hundred twenty-one".