3965223349 has 2 divisors, whose sum is σ = 3965223350. Its totient is φ = 3965223348.

The previous prime is 3965223341. The next prime is 3965223377. The reversal of 3965223349 is 9433225693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3647314449 + 317908900 = 60393^2 + 17830^2 .

It is a cyclic number.

It is not a de Polignac number, because 3965223349 - 2³ = 3965223341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3965223299 and 3965223308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3965223341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982611674 + 1982611675.

It is an arithmetic number, because the mean of its divisors is an integer number (1982611675).

Almost surely, 2^3965223349 is an apocalyptic number.

It is an amenable number.

3965223349 is a deficient number, since it is larger than the sum of its proper divisors (1).

3965223349 is an equidigital number, since it uses as much as digits as its factorization.

3965223349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 46.

The square root of 3965223349 is about 62970.0194457648. The cubic root of 3965223349 is about 1582.7872806976.

It can be divided in two parts, 39652 and 23349, that added together give a square (63001 = 251²).

The spelling of 3965223349 in words is "three billion, nine hundred sixty-five million, two hundred twenty-three thousand, three hundred forty-nine".