2638473223 has 2 divisors, whose sum is σ = 2638473224. Its totient is φ = 2638473222.

The previous prime is 2638473217. The next prime is 2638473239. The reversal of 2638473223 is 3223748362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2638473223 - 2⁵ = 2638473191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2638473203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319236611 + 1319236612.

It is an arithmetic number, because the mean of its divisors is an integer number (1319236612).

Almost surely, 2^2638473223 is an apocalyptic number.

2638473223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2638473223 is an equidigital number, since it uses as much as digits as its factorization.

2638473223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 40.

The square root of 2638473223 is about 51366.0707374041. The cubic root of 2638473223 is about 1381.8181634314.

The spelling of 2638473223 in words is "two billion, six hundred thirty-eight million, four hundred seventy-three thousand, two hundred twenty-three".