499999998882089 has 4 divisors (see below), whose sum is σ = 508196720175300. Its totient is φ = 491803277588880.

The previous prime is 499999998882079. The next prime is 499999998882119. The reversal of 499999998882089 is 980288899999994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74333572942864 + 425666425939225 = 8621692^2 + 20631685^2 .

It is a cyclic number.

It is not a de Polignac number, because 499999998882089 - 2⁸ = 499999998881833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (499999998882019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4098360646514 + ... + 4098360646635.

It is an arithmetic number, because the mean of its divisors is an integer number (127049180043825).

Almost surely, 2^{499999998882089} is an apocalyptic number.

It is an amenable number.

499999998882089 is a deficient number, since it is larger than the sum of its proper divisors (8196721293211).

499999998882089 is an equidigital number, since it uses as much as digits as its factorization.

499999998882089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196721293210.

The product of its (nonzero) digits is 1410554953728, while the sum is 110.

The spelling of 499999998882089 in words is "four hundred ninety-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-eight million, eight hundred eighty-two thousand, eighty-nine".