28625711629 has 2 divisors, whose sum is σ = 28625711630. Its totient is φ = 28625711628.

The previous prime is 28625711539. The next prime is 28625711677. The reversal of 28625711629 is 92611752682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27672322500 + 953389129 = 166350^2 + 30877^2 .

It is a cyclic number.

It is not a de Polignac number, because 28625711629 - 2⁷ = 28625711501 is a prime.

It is a super-3 number, since 3×28625711629³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28625711689) 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, 14312855814 + 14312855815.

It is an arithmetic number, because the mean of its divisors is an integer number (14312855815).

Almost surely, 2^28625711629 is an apocalyptic number.

It is an amenable number.

28625711629 is a deficient number, since it is larger than the sum of its proper divisors (1).

28625711629 is an equidigital number, since it uses as much as digits as its factorization.

28625711629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 49.

The spelling of 28625711629 in words is "twenty-eight billion, six hundred twenty-five million, seven hundred eleven thousand, six hundred twenty-nine".