2628604729 has 2 divisors, whose sum is σ = 2628604730. Its totient is φ = 2628604728.

The previous prime is 2628604721. The next prime is 2628604789. The reversal of 2628604729 is 9274068262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2300161600 + 328443129 = 47960^2 + 18123^2 .

It is a cyclic number.

It is not a de Polignac number, because 2628604729 - 2³ = 2628604721 is a prime.

It is not a weakly prime, because it can be changed into another prime (2628604721) 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, 1314302364 + 1314302365.

It is an arithmetic number, because the mean of its divisors is an integer number (1314302365).

Almost surely, 2^2628604729 is an apocalyptic number.

It is an amenable number.

2628604729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628604729 is an equidigital number, since it uses as much as digits as its factorization.

2628604729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 2628604729 is about 51269.9203139619. The cubic root of 2628604729 is about 1380.0932389918.

The spelling of 2628604729 in words is "two billion, six hundred twenty-eight million, six hundred four thousand, seven hundred twenty-nine".