3421821703 has 2 divisors, whose sum is σ = 3421821704. Its totient is φ = 3421821702.

The previous prime is 3421821677. The next prime is 3421821713. The reversal of 3421821703 is 3071281243.

It is a strong prime.

It is an emirp because it is prime and its reverse (3071281243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3421821703 - 2⁵ = 3421821671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3421821713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710910851 + 1710910852.

It is an arithmetic number, because the mean of its divisors is an integer number (1710910852).

Almost surely, 2^3421821703 is an apocalyptic number.

3421821703 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421821703 is an equidigital number, since it uses as much as digits as its factorization.

3421821703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 3421821703 is about 58496.3392273397. The cubic root of 3421821703 is about 1506.9047164188.

The spelling of 3421821703 in words is "three billion, four hundred twenty-one million, eight hundred twenty-one thousand, seven hundred three".