3433926721 has 2 divisors, whose sum is σ = 3433926722. Its totient is φ = 3433926720.

The previous prime is 3433926719. The next prime is 3433926803. The reversal of 3433926721 is 1276293343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3403555600 + 30371121 = 58340^2 + 5511^2 .

It is a cyclic number.

It is not a de Polignac number, because 3433926721 - 2¹ = 3433926719 is a prime.

Together with 3433926719, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3433926421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1716963360 + 1716963361.

It is an arithmetic number, because the mean of its divisors is an integer number (1716963361).

Almost surely, 2^3433926721 is an apocalyptic number.

It is an amenable number.

3433926721 is a deficient number, since it is larger than the sum of its proper divisors (1).

3433926721 is an equidigital number, since it uses as much as digits as its factorization.

3433926721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 40.

The square root of 3433926721 is about 58599.7160488001. The cubic root of 3433926721 is about 1508.6795644959.

The spelling of 3433926721 in words is "three billion, four hundred thirty-three million, nine hundred twenty-six thousand, seven hundred twenty-one".