28435488004129 has 2 divisors, whose sum is σ = 28435488004130. Its totient is φ = 28435488004128.

The previous prime is 28435488004117. The next prime is 28435488004163. The reversal of 28435488004129 is 92140088453482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18038087754129 + 10397400250000 = 4247127^2 + 3224500^2 .

It is a cyclic number.

It is not a de Polignac number, because 28435488004129 - 2³⁷ = 28298049050657 is a prime.

It is not a weakly prime, because it can be changed into another prime (28435488044129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14217744002064 + 14217744002065.

It is an arithmetic number, because the mean of its divisors is an integer number (14217744002065).

Almost surely, 2^{28435488004129} is an apocalyptic number.

It is an amenable number.

28435488004129 is a deficient number, since it is larger than the sum of its proper divisors (1).

28435488004129 is an equidigital number, since it uses as much as digits as its factorization.

28435488004129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17694720, while the sum is 58.

The spelling of 28435488004129 in words is "twenty-eight trillion, four hundred thirty-five billion, four hundred eighty-eight million, four thousand, one hundred twenty-nine".