28067488951613 has 2 divisors, whose sum is σ = 28067488951614. Its totient is φ = 28067488951612.

The previous prime is 28067488951531. The next prime is 28067488951681. The reversal of 28067488951613 is 31615988476082.

It is an a-pointer prime, because the next prime (28067488951681) can be obtained adding 28067488951613 to its sum of digits (68).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27282841996804 + 784646954809 = 5223298^2 + 885803^2 .

It is a cyclic number.

It is not a de Polignac number, because 28067488951613 - 2⁸ = 28067488951357 is a prime.

It is a super-3 number, since 3×28067488951613³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28067488981613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14033744475806 + 14033744475807.

It is an arithmetic number, because the mean of its divisors is an integer number (14033744475807).

It is a 1-persistent number, because it is pandigital, but 2⋅28067488951613 = 56134977903226 is not.

Almost surely, 2^{28067488951613} is an apocalyptic number.

It is an amenable number.

28067488951613 is a deficient number, since it is larger than the sum of its proper divisors (1).

28067488951613 is an equidigital number, since it uses as much as digits as its factorization.

28067488951613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139345920, while the sum is 68.

The spelling of 28067488951613 in words is "twenty-eight trillion, sixty-seven billion, four hundred eighty-eight million, nine hundred fifty-one thousand, six hundred thirteen".