510226668491 has 2 divisors, whose sum is σ = 510226668492. Its totient is φ = 510226668490.

The previous prime is 510226668481. The next prime is 510226668509. The reversal of 510226668491 is 194866622015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 510226668491 - 2²² = 510222474187 is a prime.

It is a super-3 number, since 3×510226668491³ (a number of 36 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (510226668481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255113334245 + 255113334246.

It is an arithmetic number, because the mean of its divisors is an integer number (255113334246).

Almost surely, 2^510226668491 is an apocalyptic number.

510226668491 is a deficient number, since it is larger than the sum of its proper divisors (1).

510226668491 is an equidigital number, since it uses as much as digits as its factorization.

510226668491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 510226668491 in words is "five hundred ten billion, two hundred twenty-six million, six hundred sixty-eight thousand, four hundred ninety-one".