499134557 has 4 divisors (see below), whose sum is σ = 502313916. Its totient is φ = 495955200.

The previous prime is 499134547. The next prime is 499134589. The reversal of 499134557 is 755431994.

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

It can be written as a sum of positive squares in 2 ways, for example, as 263542756 + 235591801 = 16234^2 + 15349^2 .

It is a cyclic number.

It is not a de Polignac number, because 499134557 - 2¹⁰ = 499133533 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 (499134547) 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, 1589444 + ... + 1589757.

It is an arithmetic number, because the mean of its divisors is an integer number (125578479).

Almost surely, 2^499134557 is an apocalyptic number.

It is an amenable number.

499134557 is a deficient number, since it is larger than the sum of its proper divisors (3179359).

499134557 is a wasteful number, since it uses less digits than its factorization.

499134557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179358.

The product of its digits is 680400, while the sum is 47.

The square root of 499134557 is about 22341.3194999758. The cubic root of 499134557 is about 793.2423264757.

The spelling of 499134557 in words is "four hundred ninety-nine million, one hundred thirty-four thousand, five hundred fifty-seven".