499921711 has 4 divisors (see below), whose sum is σ = 526233400. Its totient is φ = 473610024.

The previous prime is 499921661. The next prime is 499921759. The reversal of 499921711 is 117129994.

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 499921711 - 2²³ = 491533103 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 (499921511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13155816 + ... + 13155853.

It is an arithmetic number, because the mean of its divisors is an integer number (131558350).

Almost surely, 2^499921711 is an apocalyptic number.

499921711 is a deficient number, since it is larger than the sum of its proper divisors (26311689).

499921711 is a wasteful number, since it uses less digits than its factorization.

499921711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26311688.

The product of its digits is 40824, while the sum is 43.

The square root of 499921711 is about 22358.9291112075. The cubic root of 499921711 is about 793.6590984748.

The spelling of 499921711 in words is "four hundred ninety-nine million, nine hundred twenty-one thousand, seven hundred eleven".