999501059085299 has 2 divisors, whose sum is σ = 999501059085300. Its totient is φ = 999501059085298.

The previous prime is 999501059085293. The next prime is 999501059085307. The reversal of 999501059085299 is 992580950105999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999501059085299 - 2⁴⁴ = 981908873040883 is a prime.

It is a super-2 number, since 2×999501059085299² (a number of 31 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 (999501059085293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499750529542649 + 499750529542650.

It is an arithmetic number, because the mean of its divisors is an integer number (499750529542650).

Almost surely, 2^{999501059085299} is an apocalyptic number.

999501059085299 is a deficient number, since it is larger than the sum of its proper divisors (1).

999501059085299 is an equidigital number, since it uses as much as digits as its factorization.

999501059085299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1062882000, while the sum is 80.

The spelling of 999501059085299 in words is "nine hundred ninety-nine trillion, five hundred one billion, fifty-nine million, eighty-five thousand, two hundred ninety-nine".