3303663421 has 2 divisors, whose sum is σ = 3303663422. Its totient is φ = 3303663420.

The previous prime is 3303663373. The next prime is 3303663449. The reversal of 3303663421 is 1243663033.

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., 2620416100 + 683247321 = 51190^2 + 26139^2 .

It is a cyclic number.

It is not a de Polignac number, because 3303663421 - 2⁹ = 3303662909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3303663221) 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, 1651831710 + 1651831711.

It is an arithmetic number, because the mean of its divisors is an integer number (1651831711).

Almost surely, 2^3303663421 is an apocalyptic number.

It is an amenable number.

3303663421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3303663421 is an equidigital number, since it uses as much as digits as its factorization.

3303663421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 31.

The square root of 3303663421 is about 57477.5036079334. The cubic root of 3303663421 is about 1489.3562705816.

The spelling of 3303663421 in words is "three billion, three hundred three million, six hundred sixty-three thousand, four hundred twenty-one".