2165253236983 has 2 divisors, whose sum is σ = 2165253236984. Its totient is φ = 2165253236982.

The previous prime is 2165253236921. The next prime is 2165253237029. The reversal of 2165253236983 is 3896323525612.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2165253236983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2165253236903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082626618491 + 1082626618492.

It is an arithmetic number, because the mean of its divisors is an integer number (1082626618492).

Almost surely, 2^{2165253236983} is an apocalyptic number.

2165253236983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2165253236983 is an equidigital number, since it uses as much as digits as its factorization.

2165253236983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13996800, while the sum is 55.

The spelling of 2165253236983 in words is "two trillion, one hundred sixty-five billion, two hundred fifty-three million, two hundred thirty-six thousand, nine hundred eighty-three".