518133127679 has 2 divisors, whose sum is σ = 518133127680. Its totient is φ = 518133127678.

The previous prime is 518133127669. The next prime is 518133127727. The reversal of 518133127679 is 976721331815.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 518133127679 - 2⁴ = 518133127663 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 518133127679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (518133127669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259066563839 + 259066563840.

It is an arithmetic number, because the mean of its divisors is an integer number (259066563840).

Almost surely, 2^518133127679 is an apocalyptic number.

518133127679 is a deficient number, since it is larger than the sum of its proper divisors (1).

518133127679 is an equidigital number, since it uses as much as digits as its factorization.

518133127679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 53.

The spelling of 518133127679 in words is "five hundred eighteen billion, one hundred thirty-three million, one hundred twenty-seven thousand, six hundred seventy-nine".