499711868899 has 4 divisors (see below), whose sum is σ = 499716189664. Its totient is φ = 499707548136.

The previous prime is 499711868897. The next prime is 499711868951. The reversal of 499711868899 is 998868117994.

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

It is a cyclic number.

It is not a de Polignac number, because 499711868899 - 2¹ = 499711868897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499711868897) 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, 1981992 + ... + 2219845.

It is an arithmetic number, because the mean of its divisors is an integer number (124929047416).

Almost surely, 2^499711868899 is an apocalyptic number.

499711868899 is a deficient number, since it is larger than the sum of its proper divisors (4320765).

499711868899 is a wasteful number, since it uses less digits than its factorization.

499711868899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4320764.

The product of its digits is 564350976, while the sum is 79.

The spelling of 499711868899 in words is "four hundred ninety-nine billion, seven hundred eleven million, eight hundred sixty-eight thousand, eight hundred ninety-nine".