3214140421 has 2 divisors, whose sum is σ = 3214140422. Its totient is φ = 3214140420.

The previous prime is 3214140409. The next prime is 3214140509. The reversal of 3214140421 is 1240414123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3209789025 + 4351396 = 56655^2 + 2086^2 .

It is a cyclic number.

It is not a de Polignac number, because 3214140421 - 2²⁹ = 2677269509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3214140392 and 3214140401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3214140401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607070210 + 1607070211.

It is an arithmetic number, because the mean of its divisors is an integer number (1607070211).

Almost surely, 2^3214140421 is an apocalyptic number.

It is an amenable number.

3214140421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3214140421 is an equidigital number, since it uses as much as digits as its factorization.

3214140421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 3214140421 is about 56693.3895705663. The cubic root of 3214140421 is about 1475.7799832953.

Adding to 3214140421 its reverse (1240414123), we get a palindrome (4454554544).

The spelling of 3214140421 in words is "three billion, two hundred fourteen million, one hundred forty thousand, four hundred twenty-one".