3303142421 has 2 divisors, whose sum is σ = 3303142422. Its totient is φ = 3303142420.

The previous prime is 3303142417. The next prime is 3303142429. The reversal of 3303142421 is 1242413033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2565422500 + 737719921 = 50650^2 + 27161^2 .

It is a cyclic number.

It is not a de Polignac number, because 3303142421 - 2² = 3303142417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3303142429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1651571210 + 1651571211.

It is an arithmetic number, because the mean of its divisors is an integer number (1651571211).

Almost surely, 2^3303142421 is an apocalyptic number.

It is an amenable number.

3303142421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3303142421 is an equidigital number, since it uses as much as digits as its factorization.

3303142421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3303142421 is about 57472.9712212619. The cubic root of 3303142421 is about 1489.2779741258.

Adding to 3303142421 its reverse (1242413033), we get a palindrome (4545555454).

The spelling of 3303142421 in words is "three billion, three hundred three million, one hundred forty-two thousand, four hundred twenty-one".