28148204533 has 2 divisors, whose sum is σ = 28148204534. Its totient is φ = 28148204532.

The previous prime is 28148204519. The next prime is 28148204599. The reversal of 28148204533 is 33540284182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28035483844 + 112720689 = 167438^2 + 10617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28148204533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28148204503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14074102266 + 14074102267.

It is an arithmetic number, because the mean of its divisors is an integer number (14074102267).

Almost surely, 2^28148204533 is an apocalyptic number.

It is an amenable number.

28148204533 is a deficient number, since it is larger than the sum of its proper divisors (1).

28148204533 is an equidigital number, since it uses as much as digits as its factorization.

28148204533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 28148204533 in words is "twenty-eight billion, one hundred forty-eight million, two hundred four thousand, five hundred thirty-three".