34403311421 has 2 divisors, whose sum is σ = 34403311422. Its totient is φ = 34403311420.

The previous prime is 34403311391. The next prime is 34403311441. The reversal of 34403311421 is 12411330443.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27078348025 + 7324963396 = 164555^2 + 85586^2 .

It is an emirp because it is prime and its reverse (12411330443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34403311421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34403311441) 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, 17201655710 + 17201655711.

It is an arithmetic number, because the mean of its divisors is an integer number (17201655711).

Almost surely, 2^34403311421 is an apocalyptic number.

It is an amenable number.

34403311421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34403311421 is an equidigital number, since it uses as much as digits as its factorization.

34403311421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 34403311421 its reverse (12411330443), we get a palindrome (46814641864).

The spelling of 34403311421 in words is "thirty-four billion, four hundred three million, three hundred eleven thousand, four hundred twenty-one".