509946900611 has 2 divisors, whose sum is σ = 509946900612. Its totient is φ = 509946900610.

The previous prime is 509946900599. The next prime is 509946900629. The reversal of 509946900611 is 116009649905.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 509946900611 - 2¹⁰ = 509946899587 is a prime.

It is a super-2 number, since 2×509946900611² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 509946900611.

It is not a weakly prime, because it can be changed into another prime (509946900641) 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, 254973450305 + 254973450306.

It is an arithmetic number, because the mean of its divisors is an integer number (254973450306).

Almost surely, 2^509946900611 is an apocalyptic number.

509946900611 is a deficient number, since it is larger than the sum of its proper divisors (1).

509946900611 is an equidigital number, since it uses as much as digits as its factorization.

509946900611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 50.

The spelling of 509946900611 in words is "five hundred nine billion, nine hundred forty-six million, nine hundred thousand, six hundred eleven".