28420210135433 has 2 divisors, whose sum is σ = 28420210135434. Its totient is φ = 28420210135432.

The previous prime is 28420210135393. The next prime is 28420210135487. The reversal of 28420210135433 is 33453101202482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19414977375049 + 9005232760384 = 4406243^2 + 3000872^2 .

It is a cyclic number.

It is not a de Polignac number, because 28420210135433 - 2³⁴ = 28403030266249 is a prime.

It is not a weakly prime, because it can be changed into another prime (28420210131433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14210105067716 + 14210105067717.

It is an arithmetic number, because the mean of its divisors is an integer number (14210105067717).

Almost surely, 2^{28420210135433} is an apocalyptic number.

It is an amenable number.

28420210135433 is a deficient number, since it is larger than the sum of its proper divisors (1).

28420210135433 is an equidigital number, since it uses as much as digits as its factorization.

28420210135433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 28420210135433 in words is "twenty-eight trillion, four hundred twenty billion, two hundred ten million, one hundred thirty-five thousand, four hundred thirty-three".