3449776321 has 2 divisors, whose sum is σ = 3449776322. Its totient is φ = 3449776320.

The previous prime is 3449776277. The next prime is 3449776373. The reversal of 3449776321 is 1236779443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1760977296 + 1688799025 = 41964^2 + 41095^2 .

It is a cyclic number.

It is not a de Polignac number, because 3449776321 - 2¹⁹ = 3449252033 is a prime.

It is not a weakly prime, because it can be changed into another prime (3449779321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1724888160 + 1724888161.

It is an arithmetic number, because the mean of its divisors is an integer number (1724888161).

Almost surely, 2^3449776321 is an apocalyptic number.

It is an amenable number.

3449776321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3449776321 is an equidigital number, since it uses as much as digits as its factorization.

3449776321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 46.

The square root of 3449776321 is about 58734.7965093947. The cubic root of 3449776321 is about 1510.9971515546.

The spelling of 3449776321 in words is "three billion, four hundred forty-nine million, seven hundred seventy-six thousand, three hundred twenty-one".