28404011032519 has 2 divisors, whose sum is σ = 28404011032520. Its totient is φ = 28404011032518.

The previous prime is 28404011032421. The next prime is 28404011032543. The reversal of 28404011032519 is 91523011040482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28404011032519 - 2³⁷ = 28266572079047 is a prime.

It is a super-2 number, since 2×28404011032519² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28404011032589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14202005516259 + 14202005516260.

It is an arithmetic number, because the mean of its divisors is an integer number (14202005516260).

Almost surely, 2^{28404011032519} is an apocalyptic number.

28404011032519 is a deficient number, since it is larger than the sum of its proper divisors (1).

28404011032519 is an equidigital number, since it uses as much as digits as its factorization.

28404011032519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 28404011032519 in words is "twenty-eight trillion, four hundred four billion, eleven million, thirty-two thousand, five hundred nineteen".