499999975555459 has 2 divisors, whose sum is σ = 499999975555460. Its totient is φ = 499999975555458.

The previous prime is 499999975555417. The next prime is 499999975555463. The reversal of 499999975555459 is 954555579999994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499999975555459 - 2²⁹ = 499999438684547 is a prime.

It is a super-3 number, since 3×499999975555459³ (a number of 45 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (499999975555559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249999987777729 + 249999987777730.

It is an arithmetic number, because the mean of its divisors is an integer number (249999987777730).

Almost surely, 2^{499999975555459} is an apocalyptic number.

499999975555459 is a deficient number, since it is larger than the sum of its proper divisors (1).

499999975555459 is an equidigital number, since it uses as much as digits as its factorization.

499999975555459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1674039150000, while the sum is 103.

The spelling of 499999975555459 in words is "four hundred ninety-nine trillion, nine hundred ninety-nine billion, nine hundred seventy-five million, five hundred fifty-five thousand, four hundred fifty-nine".