499468681 has 8 divisors (see below), whose sum is σ = 502207424. Its totient is φ = 496737360.

The previous prime is 499468679. The next prime is 499468703. The reversal of 499468681 is 186864994.

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 499468681 - 2¹ = 499468679 is a prime.

It is a super-2 number, since 2×499468681² = 498937926599759522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499768681) 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, 177175 + ... + 179971.

It is an arithmetic number, because the mean of its divisors is an integer number (62775928).

Almost surely, 2^499468681 is an apocalyptic number.

It is an amenable number.

499468681 is a deficient number, since it is larger than the sum of its proper divisors (2738743).

499468681 is a wasteful number, since it uses less digits than its factorization.

499468681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711.

The product of its digits is 2985984, while the sum is 55.

The square root of 499468681 is about 22348.7959630939. The cubic root of 499468681 is about 793.4192875625.

The spelling of 499468681 in words is "four hundred ninety-nine million, four hundred sixty-eight thousand, six hundred eighty-one".