499019382879 has 4 divisors (see below), whose sum is σ = 665359177176. Its totient is φ = 332679588584.

The previous prime is 499019382859. The next prime is 499019382887. The reversal of 499019382879 is 978283910994.

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 499019382879 - 2⁸ = 499019382623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499019382859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83169897144 + ... + 83169897149.

It is an arithmetic number, because the mean of its divisors is an integer number (166339794294).

Almost surely, 2^499019382879 is an apocalyptic number.

499019382879 is a deficient number, since it is larger than the sum of its proper divisors (166339794297).

499019382879 is a wasteful number, since it uses less digits than its factorization.

499019382879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166339794296.

The product of its (nonzero) digits is 70543872, while the sum is 69.

The spelling of 499019382879 in words is "four hundred ninety-nine billion, nineteen million, three hundred eighty-two thousand, eight hundred seventy-nine".