28033755401 has 2 divisors, whose sum is σ = 28033755402. Its totient is φ = 28033755400.

The previous prime is 28033755383. The next prime is 28033755427. The reversal of 28033755401 is 10455733082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15242371600 + 12791383801 = 123460^2 + 113099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28033755401 is a prime.

It is not a weakly prime, because it can be changed into another prime (28033755481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14016877700 + 14016877701.

It is an arithmetic number, because the mean of its divisors is an integer number (14016877701).

Almost surely, 2^28033755401 is an apocalyptic number.

It is an amenable number.

28033755401 is a deficient number, since it is larger than the sum of its proper divisors (1).

28033755401 is an equidigital number, since it uses as much as digits as its factorization.

28033755401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 28033755401 in words is "twenty-eight billion, thirty-three million, seven hundred fifty-five thousand, four hundred one".