499936318313 has 4 divisors (see below), whose sum is σ = 499938085968. Its totient is φ = 499934550660.

The previous prime is 499936318309. The next prime is 499936318327. The reversal of 499936318313 is 313813639994.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 499936318313 - 2² = 499936318309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (499936818313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353531 + ... + 1060592.

It is an arithmetic number, because the mean of its divisors is an integer number (124984521492).

Almost surely, 2^499936318313 is an apocalyptic number.

It is an amenable number.

499936318313 is a deficient number, since it is larger than the sum of its proper divisors (1767655).

499936318313 is a wasteful number, since it uses less digits than its factorization.

499936318313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767654.

The product of its digits is 11337408, while the sum is 59.

The spelling of 499936318313 in words is "four hundred ninety-nine billion, nine hundred thirty-six million, three hundred eighteen thousand, three hundred thirteen".