28019550301 has 2 divisors, whose sum is σ = 28019550302. Its totient is φ = 28019550300.

The previous prime is 28019550289. The next prime is 28019550311. The reversal of 28019550301 is 10305591082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26455347801 + 1564202500 = 162651^2 + 39550^2 .

It is a cyclic number.

It is not a de Polignac number, because 28019550301 - 2¹¹ = 28019548253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28019550311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14009775150 + 14009775151.

It is an arithmetic number, because the mean of its divisors is an integer number (14009775151).

Almost surely, 2^28019550301 is an apocalyptic number.

It is an amenable number.

28019550301 is a deficient number, since it is larger than the sum of its proper divisors (1).

28019550301 is an equidigital number, since it uses as much as digits as its factorization.

28019550301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 28019550301 in words is "twenty-eight billion, nineteen million, five hundred fifty thousand, three hundred one".