28350543841 has 2 divisors, whose sum is σ = 28350543842. Its totient is φ = 28350543840.

The previous prime is 28350543761. The next prime is 28350543847. The reversal of 28350543841 is 14834505382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28326573025 + 23970816 = 168305^2 + 4896^2 .

It is a cyclic number.

It is not a de Polignac number, because 28350543841 - 2²⁵ = 28316989409 is a prime.

It is not a weakly prime, because it can be changed into another prime (28350543847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14175271920 + 14175271921.

It is an arithmetic number, because the mean of its divisors is an integer number (14175271921).

Almost surely, 2^28350543841 is an apocalyptic number.

It is an amenable number.

28350543841 is a deficient number, since it is larger than the sum of its proper divisors (1).

28350543841 is an equidigital number, since it uses as much as digits as its factorization.

28350543841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 28350543841 in words is "twenty-eight billion, three hundred fifty million, five hundred forty-three thousand, eight hundred forty-one".