499999193897913 has 36 divisors (see below), whose sum is σ = 741267572844240. Its totient is φ = 324762662658240.

The previous prime is 499999193897911. The next prime is 499999193897947. The reversal of 499999193897913 is 319798391999994.

499999193897913 is a `hidden beast` number, since 49 + 9 + 9 + 9 + 91 + 9 + 389 + 7 + 91 + 3 = 666.

It is not a de Polignac number, because 499999193897913 - 2¹ = 499999193897911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499999193897911) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11180331 + ... + 33540992.

It is an arithmetic number, because the mean of its divisors is an integer number (20590765912340).

Almost surely, 2^{499999193897913} is an apocalyptic number.

It is an amenable number.

499999193897913 is a deficient number, since it is larger than the sum of its proper divisors (241268378946327).

499999193897913 is a wasteful number, since it uses less digits than its factorization.

499999193897913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44722150 (or 44722106 counting only the distinct ones).

The product of its digits is 86782189536, while the sum is 99.

The spelling of 499999193897913 in words is "four hundred ninety-nine trillion, nine hundred ninety-nine billion, one hundred ninety-three million, eight hundred ninety-seven thousand, nine hundred thirteen".