918319550465 has 16 divisors (see below), whose sum is σ = 1103318496000. Its totient is φ = 733765986432.

The previous prime is 918319550459. The next prime is 918319550483. The reversal of 918319550465 is 564055913819.

It is a cyclic number.

It is not a de Polignac number, because 918319550465 - 2³² = 914024583169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 918319550465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22443896 + ... + 22484774.

It is an arithmetic number, because the mean of its divisors is an integer number (68957406000).

Almost surely, 2^918319550465 is an apocalyptic number.

It is an amenable number.

918319550465 is a deficient number, since it is larger than the sum of its proper divisors (184998945535).

918319550465 is a wasteful number, since it uses less digits than its factorization.

918319550465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46216.

The product of its (nonzero) digits is 5832000, while the sum is 56.

The spelling of 918319550465 in words is "nine hundred eighteen billion, three hundred nineteen million, five hundred fifty thousand, four hundred sixty-five".