499001280779 has 4 divisors (see below), whose sum is σ = 515098096320. Its totient is φ = 482904465240.

The previous prime is 499001280773. The next prime is 499001280829. The reversal of 499001280779 is 977082100994.

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 499001280779 - 2⁸ = 499001280523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499001280773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8048407724 + ... + 8048407785.

It is an arithmetic number, because the mean of its divisors is an integer number (128774524080).

Almost surely, 2^499001280779 is an apocalyptic number.

499001280779 is a deficient number, since it is larger than the sum of its proper divisors (16096815541).

499001280779 is a wasteful number, since it uses less digits than its factorization.

499001280779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16096815540.

The product of its (nonzero) digits is 2286144, while the sum is 56.

The spelling of 499001280779 in words is "four hundred ninety-nine billion, one million, two hundred eighty thousand, seven hundred seventy-nine".