28574600129 has 2 divisors, whose sum is σ = 28574600130. Its totient is φ = 28574600128.

The previous prime is 28574600057. The next prime is 28574600149. The reversal of 28574600129 is 92100647582.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16763257729 + 11811342400 = 129473^2 + 108680^2 .

It is a cyclic number.

It is not a de Polignac number, because 28574600129 - 2²⁰ = 28573551553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28574600129.

It is not a weakly prime, because it can be changed into another prime (28574600149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14287300064 + 14287300065.

It is an arithmetic number, because the mean of its divisors is an integer number (14287300065).

Almost surely, 2^28574600129 is an apocalyptic number.

It is an amenable number.

28574600129 is a deficient number, since it is larger than the sum of its proper divisors (1).

28574600129 is an equidigital number, since it uses as much as digits as its factorization.

28574600129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 28574600129 in words is "twenty-eight billion, five hundred seventy-four million, six hundred thousand, one hundred twenty-nine".