99528775019 has 2 divisors, whose sum is σ = 99528775020. Its totient is φ = 99528775018.

The previous prime is 99528775013. The next prime is 99528775109. The reversal of 99528775019 is 91057782599.

Together with next prime (99528775109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99528775019 is a prime.

It is a super-2 number, since 2×99528775019² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (99528775013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49764387509 + 49764387510.

It is an arithmetic number, because the mean of its divisors is an integer number (49764387510).

Almost surely, 2^99528775019 is an apocalyptic number.

99528775019 is a deficient number, since it is larger than the sum of its proper divisors (1).

99528775019 is an equidigital number, since it uses as much as digits as its factorization.

99528775019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14288400, while the sum is 62.

The spelling of 99528775019 in words is "ninety-nine billion, five hundred twenty-eight million, seven hundred seventy-five thousand, nineteen".