499830477399 has 24 divisors (see below), whose sum is σ = 789123473424. Its totient is φ = 302346096000.

The previous prime is 499830477371. The next prime is 499830477407. The reversal of 499830477399 is 993774038994.

It is a happy number.

499830477399 is a `hidden beast` number, since 4 + 9 + 98 + 30 + 477 + 39 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-499830477399 is a prime.

It is a super-2 number, since 2×499830477399² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499830477299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4793712 + ... + 4896869.

It is an arithmetic number, because the mean of its divisors is an integer number (32880144726).

Almost surely, 2^499830477399 is an apocalyptic number.

499830477399 is a deficient number, since it is larger than the sum of its proper divisors (289292996025).

499830477399 is a wasteful number, since it uses less digits than its factorization.

499830477399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9691119 (or 9691116 counting only the distinct ones).

The product of its (nonzero) digits is 370355328, while the sum is 72.

The spelling of 499830477399 in words is "four hundred ninety-nine billion, eight hundred thirty million, four hundred seventy-seven thousand, three hundred ninety-nine".