499123013 has 2 divisors, whose sum is σ = 499123014. Its totient is φ = 499123012.

The previous prime is 499123003. The next prime is 499123019. The reversal of 499123013 is 310321994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 437939329 + 61183684 = 20927^2 + 7822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499123013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499123019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249561506 + 249561507.

It is an arithmetic number, because the mean of its divisors is an integer number (249561507).

Almost surely, 2^499123013 is an apocalyptic number.

It is an amenable number.

499123013 is a deficient number, since it is larger than the sum of its proper divisors (1).

499123013 is an equidigital number, since it uses as much as digits as its factorization.

499123013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 499123013 is about 22341.0611431060. The cubic root of 499123013 is about 793.2362110506.

It can be divided in two parts, 49912 and 3013, that added together give a palindrome (52925).

The spelling of 499123013 in words is "four hundred ninety-nine million, one hundred twenty-three thousand, thirteen".