28769535019 has 2 divisors, whose sum is σ = 28769535020. Its totient is φ = 28769535018.

The previous prime is 28769534993. The next prime is 28769535023. The reversal of 28769535019 is 91053596782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28769535019 - 2¹¹ = 28769532971 is a prime.

It is a super-2 number, since 2×28769535019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28769535029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14384767509 + 14384767510.

It is an arithmetic number, because the mean of its divisors is an integer number (14384767510).

Almost surely, 2^28769535019 is an apocalyptic number.

28769535019 is a deficient number, since it is larger than the sum of its proper divisors (1).

28769535019 is an equidigital number, since it uses as much as digits as its factorization.

28769535019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 28769535019 in words is "twenty-eight billion, seven hundred sixty-nine million, five hundred thirty-five thousand, nineteen".