499647369 has 8 divisors (see below), whose sum is σ = 717442432. Its totient is φ = 307475280.

The previous prime is 499647347. The next prime is 499647383. The reversal of 499647369 is 963746994.

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

It is a de Polignac number, because none of the positive numbers 2^k-499647369 is a prime.

It is a super-2 number, since 2×499647369² = 499294986697244322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499647329) 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, 6405697 + ... + 6405774.

It is an arithmetic number, because the mean of its divisors is an integer number (89680304).

Almost surely, 2^499647369 is an apocalyptic number.

It is an amenable number.

499647369 is a deficient number, since it is larger than the sum of its proper divisors (217795063).

499647369 is a wasteful number, since it uses less digits than its factorization.

499647369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12811487.

The product of its digits is 8817984, while the sum is 57.

The square root of 499647369 is about 22352.7933153778. The cubic root of 499647369 is about 793.5138931621.

The spelling of 499647369 in words is "four hundred ninety-nine million, six hundred forty-seven thousand, three hundred sixty-nine".