499047791 has 8 divisors (see below), whose sum is σ = 545597184. Its totient is φ = 452695320.

The previous prime is 499047781. The next prime is 499047797. The reversal of 499047791 is 197740994.

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

It is not a de Polignac number, because 499047791 - 2¹⁰ = 499046767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499047797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43901 + ... + 54086.

It is an arithmetic number, because the mean of its divisors is an integer number (68199648).

Almost surely, 2^499047791 is an apocalyptic number.

499047791 is a deficient number, since it is larger than the sum of its proper divisors (46549393).

499047791 is a wasteful number, since it uses less digits than its factorization.

499047791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98461.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 499047791 is about 22339.3775875694. The cubic root of 499047791 is about 793.1963599448.

The spelling of 499047791 in words is "four hundred ninety-nine million, forty-seven thousand, seven hundred ninety-one".