499487745 has 8 divisors (see below), whose sum is σ = 799180416. Its totient is φ = 266393456.

The previous prime is 499487731. The next prime is 499487777. The reversal of 499487745 is 547784994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 499487745 - 2⁷ = 499487617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16649577 + ... + 16649606.

It is an arithmetic number, because the mean of its divisors is an integer number (99897552).

Almost surely, 2^499487745 is an apocalyptic number.

It is an amenable number.

499487745 is a deficient number, since it is larger than the sum of its proper divisors (299692671).

499487745 is a wasteful number, since it uses less digits than its factorization.

499487745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33299191.

The product of its digits is 10160640, while the sum is 57.

The square root of 499487745 is about 22349.2224696968. Note that the first 3 decimals coincide. The cubic root of 499487745 is about 793.4293819911.

The spelling of 499487745 in words is "four hundred ninety-nine million, four hundred eighty-seven thousand, seven hundred forty-five".