28002505019 has 2 divisors, whose sum is σ = 28002505020. Its totient is φ = 28002505018.

The previous prime is 28002504979. The next prime is 28002505033. The reversal of 28002505019 is 91050520082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28002505019 - 2¹⁶ = 28002439483 is a prime.

It is a super-2 number, since 2×28002505019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28002505049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14001252509 + 14001252510.

It is an arithmetic number, because the mean of its divisors is an integer number (14001252510).

Almost surely, 2^28002505019 is an apocalyptic number.

28002505019 is a deficient number, since it is larger than the sum of its proper divisors (1).

28002505019 is an equidigital number, since it uses as much as digits as its factorization.

28002505019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 28002505019 in words is "twenty-eight billion, two million, five hundred five thousand, nineteen".