28148204519 has 2 divisors, whose sum is σ = 28148204520. Its totient is φ = 28148204518.

The previous prime is 28148204503. The next prime is 28148204533. The reversal of 28148204519 is 91540284182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28148204519 - 2⁴ = 28148204503 is a prime.

It is a super-2 number, since 2×28148204519² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28148204519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28148204599) 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, 14074102259 + 14074102260.

It is an arithmetic number, because the mean of its divisors is an integer number (14074102260).

Almost surely, 2^28148204519 is an apocalyptic number.

28148204519 is a deficient number, since it is larger than the sum of its proper divisors (1).

28148204519 is an equidigital number, since it uses as much as digits as its factorization.

28148204519 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 44.

The spelling of 28148204519 in words is "twenty-eight billion, one hundred forty-eight million, two hundred four thousand, five hundred nineteen".