3968553109 has 2 divisors, whose sum is σ = 3968553110. Its totient is φ = 3968553108.

The previous prime is 3968553091. The next prime is 3968553157. The reversal of 3968553109 is 9013558693.

It is a happy number.

Together with previous prime (3968553091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3079917009 + 888636100 = 55497^2 + 29810^2 .

It is a cyclic number.

It is not a de Polignac number, because 3968553109 - 2¹⁷ = 3968422037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3968553209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1984276554 + 1984276555.

It is an arithmetic number, because the mean of its divisors is an integer number (1984276555).

Almost surely, 2^3968553109 is an apocalyptic number.

It is an amenable number.

3968553109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3968553109 is an equidigital number, since it uses as much as digits as its factorization.

3968553109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 874800, while the sum is 49.

The square root of 3968553109 is about 62996.4531461891. The cubic root of 3968553109 is about 1583.2302004502.

The spelling of 3968553109 in words is "three billion, nine hundred sixty-eight million, five hundred fifty-three thousand, one hundred nine".