28508053319 has 2 divisors, whose sum is σ = 28508053320. Its totient is φ = 28508053318.

The previous prime is 28508053297. The next prime is 28508053331. The reversal of 28508053319 is 91335080582.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28508053319 is a prime.

It is a super-2 number, since 2×28508053319² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28508053319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28508053339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14254026659 + 14254026660.

It is an arithmetic number, because the mean of its divisors is an integer number (14254026660).

Almost surely, 2^28508053319 is an apocalyptic number.

28508053319 is a deficient number, since it is larger than the sum of its proper divisors (1).

28508053319 is an equidigital number, since it uses as much as digits as its factorization.

28508053319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 28508053319 in words is "twenty-eight billion, five hundred eight million, fifty-three thousand, three hundred nineteen".