3965645017 has 2 divisors, whose sum is σ = 3965645018. Its totient is φ = 3965645016.

The previous prime is 3965645003. The next prime is 3965645077. The reversal of 3965645017 is 7105465693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3787048521 + 178596496 = 61539^2 + 13364^2 .

It is a cyclic number.

It is not a de Polignac number, because 3965645017 - 2³¹ = 1818161369 is a prime.

It is not a weakly prime, because it can be changed into another prime (3965645077) 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, 1982822508 + 1982822509.

It is an arithmetic number, because the mean of its divisors is an integer number (1982822509).

Almost surely, 2^3965645017 is an apocalyptic number.

It is an amenable number.

3965645017 is a deficient number, since it is larger than the sum of its proper divisors (1).

3965645017 is an equidigital number, since it uses as much as digits as its factorization.

3965645017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 3965645017 is about 62973.3675215166. The cubic root of 3965645017 is about 1582.8433840602.

The spelling of 3965645017 in words is "three billion, nine hundred sixty-five million, six hundred forty-five thousand, seventeen".