2646163423 has 2 divisors, whose sum is σ = 2646163424. Its totient is φ = 2646163422.

The previous prime is 2646163391. The next prime is 2646163427. The reversal of 2646163423 is 3243616462.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2646163423 - 2⁵ = 2646163391 is a prime.

It is a super-2 number, since 2×2646163423² = 14004361722446153858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2646163427) 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, 1323081711 + 1323081712.

It is an arithmetic number, because the mean of its divisors is an integer number (1323081712).

Almost surely, 2^2646163423 is an apocalyptic number.

2646163423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646163423 is an equidigital number, since it uses as much as digits as its factorization.

2646163423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 37.

The square root of 2646163423 is about 51440.8730777385. The cubic root of 2646163423 is about 1383.1593621383.

Adding to 2646163423 its reverse (3243616462), we get a palindrome (5889779885).

The spelling of 2646163423 in words is "two billion, six hundred forty-six million, one hundred sixty-three thousand, four hundred twenty-three".