499788673 has 4 divisors (see below), whose sum is σ = 526093360. Its totient is φ = 473483988.

The previous prime is 499788659. The next prime is 499788691. The reversal of 499788673 is 376887994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 499788673 - 2²¹ = 497691521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499788623) 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, 13152315 + ... + 13152352.

It is an arithmetic number, because the mean of its divisors is an integer number (131523340).

Almost surely, 2^499788673 is an apocalyptic number.

It is an amenable number.

499788673 is a deficient number, since it is larger than the sum of its proper divisors (26304687).

499788673 is a wasteful number, since it uses less digits than its factorization.

499788673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26304686.

The product of its digits is 18289152, while the sum is 61.

The square root of 499788673 is about 22355.9538602136. The cubic root of 499788673 is about 793.5886899926.

The spelling of 499788673 in words is "four hundred ninety-nine million, seven hundred eighty-eight thousand, six hundred seventy-three".