3420071429 has 2 divisors, whose sum is σ = 3420071430. Its totient is φ = 3420071428.

The previous prime is 3420071399. The next prime is 3420071443. The reversal of 3420071429 is 9241700243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2981378404 + 438693025 = 54602^2 + 20945^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420071429 - 2⁸ = 3420071173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3420071395 and 3420071404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3420071489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710035714 + 1710035715.

It is an arithmetic number, because the mean of its divisors is an integer number (1710035715).

Almost surely, 2^3420071429 is an apocalyptic number.

It is an amenable number.

3420071429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420071429 is an equidigital number, since it uses as much as digits as its factorization.

3420071429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 3420071429 is about 58481.3767707293. The cubic root of 3420071429 is about 1506.6477435548.

The spelling of 3420071429 in words is "three billion, four hundred twenty million, seventy-one thousand, four hundred twenty-nine".