3399505729 has 2 divisors, whose sum is σ = 3399505730. Its totient is φ = 3399505728.

The previous prime is 3399505727. The next prime is 3399505757. The reversal of 3399505729 is 9275059933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3381655104 + 17850625 = 58152^2 + 4225^2 .

It is an emirp because it is prime and its reverse (9275059933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3399505729 - 2¹ = 3399505727 is a prime.

Together with 3399505727, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3399505727) 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, 1699752864 + 1699752865.

It is an arithmetic number, because the mean of its divisors is an integer number (1699752865).

Almost surely, 2^3399505729 is an apocalyptic number.

It is an amenable number.

3399505729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3399505729 is an equidigital number, since it uses as much as digits as its factorization.

3399505729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2296350, while the sum is 52.

The square root of 3399505729 is about 58305.2804555471. The cubic root of 3399505729 is about 1503.6217267295.

The spelling of 3399505729 in words is "three billion, three hundred ninety-nine million, five hundred five thousand, seven hundred twenty-nine".