28305935029 has 2 divisors, whose sum is σ = 28305935030. Its totient is φ = 28305935028.

The previous prime is 28305934997. The next prime is 28305935033. The reversal of 28305935029 is 92053950382.

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., 19525870225 + 8780064804 = 139735^2 + 93702^2 .

It is a cyclic number.

It is not a de Polignac number, because 28305935029 - 2⁵ = 28305934997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28305935029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28305975029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14152967514 + 14152967515.

It is an arithmetic number, because the mean of its divisors is an integer number (14152967515).

Almost surely, 2^28305935029 is an apocalyptic number.

It is an amenable number.

28305935029 is a deficient number, since it is larger than the sum of its proper divisors (1).

28305935029 is an equidigital number, since it uses as much as digits as its factorization.

28305935029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 28305935029 in words is "twenty-eight billion, three hundred five million, nine hundred thirty-five thousand, twenty-nine".