500005554999 has 16 divisors (see below), whose sum is σ = 683546004960. Its totient is φ = 324915632640.

The previous prime is 500005554989. The next prime is 500005555019. The reversal of 500005554999 is 999455500005.

It is not a de Polignac number, because 500005554999 - 2¹⁶ = 500005489463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500005554929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1682254 + ... + 1957035.

It is an arithmetic number, because the mean of its divisors is an integer number (42721625310).

Almost surely, 2^500005554999 is an apocalyptic number.

500005554999 is a deficient number, since it is larger than the sum of its proper divisors (183540449961).

500005554999 is a wasteful number, since it uses less digits than its factorization.

500005554999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640450.

The product of its (nonzero) digits is 1822500, while the sum is 51.

The spelling of 500005554999 in words is "five hundred billion, five million, five hundred fifty-four thousand, nine hundred ninety-nine".