18304461314945 has 32 divisors (see below), whose sum is σ = 24815343409920. Its totient is φ = 12867214913280.

The previous prime is 18304461314941. The next prime is 18304461314989. The reversal of 18304461314945 is 54941316440381.

It is a happy number.

It is not a de Polignac number, because 18304461314945 - 2² = 18304461314941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18304461314941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68250599 + ... + 68518268.

It is an arithmetic number, because the mean of its divisors is an integer number (775479481560).

Almost surely, 2^{18304461314945} is an apocalyptic number.

It is an amenable number.

18304461314945 is a deficient number, since it is larger than the sum of its proper divisors (6510882094975).

18304461314945 is a wasteful number, since it uses less digits than its factorization.

18304461314945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136768985.

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 18304461314945 in words is "eighteen trillion, three hundred four billion, four hundred sixty-one million, three hundred fourteen thousand, nine hundred forty-five".