510116656009 has 2 divisors, whose sum is σ = 510116656010. Its totient is φ = 510116656008.

The previous prime is 510116655977. The next prime is 510116656039. The reversal of 510116656009 is 900656611015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427908297609 + 82208358400 = 654147^2 + 286720^2 .

It is a cyclic number.

It is not a de Polignac number, because 510116656009 - 2⁵ = 510116655977 is a prime.

It is not a weakly prime, because it can be changed into another prime (510116656039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255058328004 + 255058328005.

It is an arithmetic number, because the mean of its divisors is an integer number (255058328005).

Almost surely, 2^510116656009 is an apocalyptic number.

It is an amenable number.

510116656009 is a deficient number, since it is larger than the sum of its proper divisors (1).

510116656009 is an equidigital number, since it uses as much as digits as its factorization.

510116656009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 510116656009 in words is "five hundred ten billion, one hundred sixteen million, six hundred fifty-six thousand, nine".