518984486745 has 8 divisors (see below), whose sum is σ = 830375178816. Its totient is φ = 276791726256.

The previous prime is 518984486719. The next prime is 518984486759. The reversal of 518984486745 is 547684489815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 518984486745 - 2²¹ = 518982389593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 518984486745.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 17299482877 + ... + 17299482906.

It is an arithmetic number, because the mean of its divisors is an integer number (103796897352).

Almost surely, 2^518984486745 is an apocalyptic number.

It is an amenable number.

518984486745 is a deficient number, since it is larger than the sum of its proper divisors (311390692071).

518984486745 is a wasteful number, since it uses less digits than its factorization.

518984486745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34598965791.

The product of its digits is 309657600, while the sum is 69.

The spelling of 518984486745 in words is "five hundred eighteen billion, nine hundred eighty-four million, four hundred eighty-six thousand, seven hundred forty-five".