499964623 has 2 divisors, whose sum is σ = 499964624. Its totient is φ = 499964622.

The previous prime is 499964617. The next prime is 499964659. The reversal of 499964623 is 326469994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499964623 - 2⁹ = 499964111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499964123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249982311 + 249982312.

It is an arithmetic number, because the mean of its divisors is an integer number (249982312).

Almost surely, 2^499964623 is an apocalyptic number.

499964623 is a deficient number, since it is larger than the sum of its proper divisors (1).

499964623 is an equidigital number, since it uses as much as digits as its factorization.

499964623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 52.

The square root of 499964623 is about 22359.8887072364. Note that the first 3 decimals coincide. The cubic root of 499964623 is about 793.6818063803.

The spelling of 499964623 in words is "four hundred ninety-nine million, nine hundred sixty-four thousand, six hundred twenty-three".