6605969141 has 2 divisors, whose sum is σ = 6605969142. Its totient is φ = 6605969140.

The previous prime is 6605969137. The next prime is 6605969179. The reversal of 6605969141 is 1419695066.

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., 6163035025 + 442934116 = 78505^2 + 21046^2 .

It is a cyclic number.

It is not a de Polignac number, because 6605969141 - 2² = 6605969137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6605962141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302984570 + 3302984571.

It is an arithmetic number, because the mean of its divisors is an integer number (3302984571).

Almost surely, 2^6605969141 is an apocalyptic number.

It is an amenable number.

6605969141 is a deficient number, since it is larger than the sum of its proper divisors (1).

6605969141 is an equidigital number, since it uses as much as digits as its factorization.

6605969141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 6605969141 is about 81277.1132668970. The cubic root of 6605969141 is about 1876.3427789173.

The spelling of 6605969141 in words is "six billion, six hundred five million, nine hundred sixty-nine thousand, one hundred forty-one".