3965448913 has 2 divisors, whose sum is σ = 3965448914. Its totient is φ = 3965448912.

The previous prime is 3965448911. The next prime is 3965448937. The reversal of 3965448913 is 3198445693.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2215867329 + 1749581584 = 47073^2 + 41828^2 .

It is a cyclic number.

It is not a de Polignac number, because 3965448913 - 2¹ = 3965448911 is a prime.

It is a super-2 number, since 2×3965448913² = 31449570163225763138, which contains 22 as substring.

Together with 3965448911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3965448911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982724456 + 1982724457.

It is an arithmetic number, because the mean of its divisors is an integer number (1982724457).

Almost surely, 2^3965448913 is an apocalyptic number.

It is an amenable number.

3965448913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3965448913 is an equidigital number, since it uses as much as digits as its factorization.

3965448913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 52.

The square root of 3965448913 is about 62971.8104630953. The cubic root of 3965448913 is about 1582.8172927153.

The spelling of 3965448913 in words is "three billion, nine hundred sixty-five million, four hundred forty-eight thousand, nine hundred thirteen".