3430542121 has 2 divisors, whose sum is σ = 3430542122. Its totient is φ = 3430542120.

The previous prime is 3430542109. The next prime is 3430542127. The reversal of 3430542121 is 1212450343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2275290000 + 1155252121 = 47700^2 + 33989^2 .

It is a cyclic number.

It is not a de Polignac number, because 3430542121 - 2⁷ = 3430541993 is a prime.

It is not a weakly prime, because it can be changed into another prime (3430542127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715271060 + 1715271061.

It is an arithmetic number, because the mean of its divisors is an integer number (1715271061).

Almost surely, 2^3430542121 is an apocalyptic number.

It is an amenable number.

3430542121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3430542121 is an equidigital number, since it uses as much as digits as its factorization.

3430542121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3430542121 is about 58570.8299497284. The cubic root of 3430542121 is about 1508.1837321897.

Adding to 3430542121 its reverse (1212450343), we get a palindrome (4642992464).

The spelling of 3430542121 in words is "three billion, four hundred thirty million, five hundred forty-two thousand, one hundred twenty-one".