500555499979 has 4 divisors (see below), whose sum is σ = 500582887480. Its totient is φ = 500528112480.

The previous prime is 500555499967. The next prime is 500555499991. The reversal of 500555499979 is 979994555005.

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

It is an interprime number because it is at equal distance from previous prime (500555499967) and next prime (500555499991).

It is a cyclic number.

It is not a de Polignac number, because 500555499979 - 2¹¹ = 500555497931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500555499919) 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, 13666317 + ... + 13702894.

It is an arithmetic number, because the mean of its divisors is an integer number (125145721870).

Almost surely, 2^500555499979 is an apocalyptic number.

500555499979 is a deficient number, since it is larger than the sum of its proper divisors (27387501).

500555499979 is a wasteful number, since it uses less digits than its factorization.

500555499979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27387500.

The product of its (nonzero) digits is 114817500, while the sum is 67.

The spelling of 500555499979 in words is "five hundred billion, five hundred fifty-five million, four hundred ninety-nine thousand, nine hundred seventy-nine".