2628823429 has 2 divisors, whose sum is σ = 2628823430. Its totient is φ = 2628823428.

The previous prime is 2628823427. The next prime is 2628823531. The reversal of 2628823429 is 9243288262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1370702529 + 1258120900 = 37023^2 + 35470^2 .

It is a cyclic number.

It is not a de Polignac number, because 2628823429 - 2¹ = 2628823427 is a prime.

Together with 2628823427, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2628823423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314411714 + 1314411715.

It is an arithmetic number, because the mean of its divisors is an integer number (1314411715).

Almost surely, 2^2628823429 is an apocalyptic number.

It is an amenable number.

2628823429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628823429 is an equidigital number, since it uses as much as digits as its factorization.

2628823429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 46.

The square root of 2628823429 is about 51272.0530991299. The cubic root of 2628823429 is about 1380.1315125314.

The spelling of 2628823429 in words is "two billion, six hundred twenty-eight million, eight hundred twenty-three thousand, four hundred twenty-nine".