2163909152593 has 2 divisors, whose sum is σ = 2163909152594. Its totient is φ = 2163909152592.

The previous prime is 2163909152591. The next prime is 2163909152627. The reversal of 2163909152593 is 3952519093612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2159700646464 + 4208506129 = 1469592^2 + 64873^2 .

It is a cyclic number.

It is not a de Polignac number, because 2163909152593 - 2¹ = 2163909152591 is a prime.

Together with 2163909152591, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2163909152591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081954576296 + 1081954576297.

It is an arithmetic number, because the mean of its divisors is an integer number (1081954576297).

Almost surely, 2^{2163909152593} is an apocalyptic number.

It is an amenable number.

2163909152593 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163909152593 is an equidigital number, since it uses as much as digits as its factorization.

2163909152593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3936600, while the sum is 55.

The spelling of 2163909152593 in words is "two trillion, one hundred sixty-three billion, nine hundred nine million, one hundred fifty-two thousand, five hundred ninety-three".