368718505018 has 4 divisors (see below), whose sum is σ = 553077757530. Its totient is φ = 184359252508.

The previous prime is 368718504983. The next prime is 368718505049. The reversal of 368718505018 is 810505817863.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 810505817863 = 7 ⋅115786545409.

It can be written as a sum of positive squares in only one way, i.e., 357444949689 + 11273555329 = 597867^2 + 106177^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92179626253 + ... + 92179626256.

Almost surely, 2^368718505018 is an apocalyptic number.

368718505018 is a deficient number, since it is larger than the sum of its proper divisors (184359252512).

368718505018 is a wasteful number, since it uses less digits than its factorization.

368718505018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184359252511.

The product of its (nonzero) digits is 1612800, while the sum is 52.

The spelling of 368718505018 in words is "three hundred sixty-eight billion, seven hundred eighteen million, five hundred five thousand, eighteen".