618512829712 has 10 divisors (see below), whose sum is σ = 1198368607598. Its totient is φ = 309256414848.

The previous prime is 618512829709. The next prime is 618512829731. The reversal of 618512829712 is 217928215816.

It can be written as a sum of positive squares in only one way, i.e., 541719552256 + 76793277456 = 736016^2 + 277116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 618512829712.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19328525913 + ... + 19328525944.

Almost surely, 2^618512829712 is an apocalyptic number.

It is an amenable number.

618512829712 is a deficient number, since it is larger than the sum of its proper divisors (579855777886).

618512829712 is a wasteful number, since it uses less digits than its factorization.

618512829712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38657051865 (or 38657051859 counting only the distinct ones).

The product of its digits is 967680, while the sum is 52.

The spelling of 618512829712 in words is "six hundred eighteen billion, five hundred twelve million, eight hundred twenty-nine thousand, seven hundred twelve".