28018048841 has 2 divisors, whose sum is σ = 28018048842. Its totient is φ = 28018048840.

The previous prime is 28018048819. The next prime is 28018048847. The reversal of 28018048841 is 14884081082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16153393216 + 11864655625 = 127096^2 + 108925^2 .

It is a cyclic number.

It is not a de Polignac number, because 28018048841 - 2¹⁰ = 28018047817 is a prime.

It is a super-2 number, since 2×28018048841² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28018048792 and 28018048801.

It is not a weakly prime, because it can be changed into another prime (28018048847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14009024420 + 14009024421.

It is an arithmetic number, because the mean of its divisors is an integer number (14009024421).

Almost surely, 2^28018048841 is an apocalyptic number.

It is an amenable number.

28018048841 is a deficient number, since it is larger than the sum of its proper divisors (1).

28018048841 is an equidigital number, since it uses as much as digits as its factorization.

28018048841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131072, while the sum is 44.

The spelling of 28018048841 in words is "twenty-eight billion, eighteen million, forty-eight thousand, eight hundred forty-one".