499754691 has 10 divisors (see below), whose sum is σ = 746547252. Its totient is φ = 333169740.

The previous prime is 499754657. The next prime is 499754719. The reversal of 499754691 is 196457994.

It is a happy number.

499754691 is a `hidden beast` number, since 4 + 9 + 9 + 7 + 546 + 91 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-499754691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499754191) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3084825 + ... + 3084986.

Almost surely, 2^499754691 is an apocalyptic number.

499754691 is a deficient number, since it is larger than the sum of its proper divisors (246792561).

499754691 is an equidigital number, since it uses as much as digits as its factorization.

499754691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169823 (or 6169814 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 499754691 is about 22355.1938260441. The cubic root of 499754691 is about 793.5707034958.

The spelling of 499754691 in words is "four hundred ninety-nine million, seven hundred fifty-four thousand, six hundred ninety-one".