6965885389 has 2 divisors, whose sum is σ = 6965885390. Its totient is φ = 6965885388.

The previous prime is 6965885321. The next prime is 6965885417. The reversal of 6965885389 is 9835885696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6538016164 + 427869225 = 80858^2 + 20685^2 .

It is a cyclic number.

It is not a de Polignac number, because 6965885389 - 2³¹ = 4818401741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6965885489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3482942694 + 3482942695.

It is an arithmetic number, because the mean of its divisors is an integer number (3482942695).

Almost surely, 2^6965885389 is an apocalyptic number.

It is an amenable number.

6965885389 is a deficient number, since it is larger than the sum of its proper divisors (1).

6965885389 is an equidigital number, since it uses as much as digits as its factorization.

6965885389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111974400, while the sum is 67.

The square root of 6965885389 is about 83461.8798554166. The cubic root of 6965885389 is about 1909.8185539833.

The spelling of 6965885389 in words is "six billion, nine hundred sixty-five million, eight hundred eighty-five thousand, three hundred eighty-nine".