499389517 has 4 divisors (see below), whose sum is σ = 544788576. Its totient is φ = 453990460.

The previous prime is 499389497. The next prime is 499389557. The reversal of 499389517 is 715983994.

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 not a de Polignac number, because 499389517 - 2¹⁹ = 498865229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499389557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22699513 + ... + 22699534.

It is an arithmetic number, because the mean of its divisors is an integer number (136197144).

Almost surely, 2^499389517 is an apocalyptic number.

It is an amenable number.

499389517 is a deficient number, since it is larger than the sum of its proper divisors (45399059).

499389517 is a wasteful number, since it uses less digits than its factorization.

499389517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45399058.

The product of its digits is 2449440, while the sum is 55.

The square root of 499389517 is about 22347.0247907859. The cubic root of 499389517 is about 793.3773673077.

The spelling of 499389517 in words is "four hundred ninety-nine million, three hundred eighty-nine thousand, five hundred seventeen".