3665005895597 has 2 divisors, whose sum is σ = 3665005895598. Its totient is φ = 3665005895596.

The previous prime is 3665005895557. The next prime is 3665005895669. The reversal of 3665005895597 is 7955985005663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2371556880196 + 1293449015401 = 1539986^2 + 1137299^2 .

It is an emirp because it is prime and its reverse (7955985005663) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3665005895597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3665005895557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832502947798 + 1832502947799.

It is an arithmetic number, because the mean of its divisors is an integer number (1832502947799).

Almost surely, 2^{3665005895597} is an apocalyptic number.

It is an amenable number.

3665005895597 is a deficient number, since it is larger than the sum of its proper divisors (1).

3665005895597 is an equidigital number, since it uses as much as digits as its factorization.

3665005895597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180000, while the sum is 68.

The spelling of 3665005895597 in words is "three trillion, six hundred sixty-five billion, five million, eight hundred ninety-five thousand, five hundred ninety-seven".