28250442674353 has 2 divisors, whose sum is σ = 28250442674354. Its totient is φ = 28250442674352.

The previous prime is 28250442674351. The next prime is 28250442674359. The reversal of 28250442674353 is 35347624405282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28231125010209 + 19317664144 = 5313297^2 + 138988^2 .

It is a cyclic number.

It is not a de Polignac number, because 28250442674353 - 2¹ = 28250442674351 is a prime.

It is a super-2 number, since 2×28250442674353² (a number of 28 digits) contains 22 as substring.

Together with 28250442674351, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 28250442674294 and 28250442674303.

It is not a weakly prime, because it can be changed into another prime (28250442674351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14125221337176 + 14125221337177.

It is an arithmetic number, because the mean of its divisors is an integer number (14125221337177).

Almost surely, 2^{28250442674353} is an apocalyptic number.

It is an amenable number.

28250442674353 is a deficient number, since it is larger than the sum of its proper divisors (1).

28250442674353 is an equidigital number, since it uses as much as digits as its factorization.

28250442674353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38707200, while the sum is 55.

The spelling of 28250442674353 in words is "twenty-eight trillion, two hundred fifty billion, four hundred forty-two million, six hundred seventy-four thousand, three hundred fifty-three".