8999503091899 has 2 divisors, whose sum is σ = 8999503091900. Its totient is φ = 8999503091898.

The previous prime is 8999503091791. The next prime is 8999503091939. The reversal of 8999503091899 is 9981903059998.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8999503091899 - 2⁷ = 8999503091771 is a prime.

It is a super-3 number, since 3×8999503091899³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (8999503091399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4499751545949 + 4499751545950.

It is an arithmetic number, because the mean of its divisors is an integer number (4499751545950).

Almost surely, 2^{8999503091899} is an apocalyptic number.

8999503091899 is a deficient number, since it is larger than the sum of its proper divisors (1).

8999503091899 is an equidigital number, since it uses as much as digits as its factorization.

8999503091899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 510183360, while the sum is 79.

The spelling of 8999503091899 in words is "eight trillion, nine hundred ninety-nine billion, five hundred three million, ninety-one thousand, eight hundred ninety-nine".