2169552823 has 2 divisors, whose sum is σ = 2169552824. Its totient is φ = 2169552822.

The previous prime is 2169552797. The next prime is 2169552839. The reversal of 2169552823 is 3282559612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2169552823 - 2⁹ = 2169552311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2169552823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2169552323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084776411 + 1084776412.

It is an arithmetic number, because the mean of its divisors is an integer number (1084776412).

Almost surely, 2^2169552823 is an apocalyptic number.

2169552823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2169552823 is an equidigital number, since it uses as much as digits as its factorization.

2169552823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 43.

The square root of 2169552823 is about 46578.4587872978. The cubic root of 2169552823 is about 1294.5636535703.

The spelling of 2169552823 in words is "two billion, one hundred sixty-nine million, five hundred fifty-two thousand, eight hundred twenty-three".