965583163949 has 2 divisors, whose sum is σ = 965583163950. Its totient is φ = 965583163948.

The previous prime is 965583163927. The next prime is 965583163973. The reversal of 965583163949 is 949361385569.

It is a happy number.

965583163949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 933314430724 + 32268733225 = 966082^2 + 179635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-965583163949 is a prime.

It is a super-2 number, since 2×965583163949² (a number of 25 digits) contains 22 as substring.

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 (965583163049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482791581974 + 482791581975.

It is an arithmetic number, because the mean of its divisors is an integer number (482791581975).

Almost surely, 2^965583163949 is an apocalyptic number.

It is an amenable number.

965583163949 is a deficient number, since it is larger than the sum of its proper divisors (1).

965583163949 is an equidigital number, since it uses as much as digits as its factorization.

965583163949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188956800, while the sum is 68.

The spelling of 965583163949 in words is "nine hundred sixty-five billion, five hundred eighty-three million, one hundred sixty-three thousand, nine hundred forty-nine".