3429213649 has 2 divisors, whose sum is σ = 3429213650. Its totient is φ = 3429213648.

The previous prime is 3429213643. The next prime is 3429213653. The reversal of 3429213649 is 9463129243.

3429213649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3255501249 + 173712400 = 57057^2 + 13180^2 .

It is an emirp because it is prime and its reverse (9463129243) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3429213649 is a prime.

It is not a weakly prime, because it can be changed into another prime (3429213643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1714606824 + 1714606825.

It is an arithmetic number, because the mean of its divisors is an integer number (1714606825).

Almost surely, 2^3429213649 is an apocalyptic number.

It is an amenable number.

3429213649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3429213649 is an equidigital number, since it uses as much as digits as its factorization.

3429213649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 43.

The square root of 3429213649 is about 58559.4881210552. The cubic root of 3429213649 is about 1507.9890264676.

The spelling of 3429213649 in words is "three billion, four hundred twenty-nine million, two hundred thirteen thousand, six hundred forty-nine".