18846945475201 has 8 divisors (see below), whose sum is σ = 19454977626624. Its totient is φ = 18238917459360.

The previous prime is 18846945475133. The next prime is 18846945475207. The reversal of 18846945475201 is 10257454964881.

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

It is a cyclic number.

It is not a de Polignac number, because 18846945475201 - 2¹⁵ = 18846945442433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18846945475207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10147140 + ... + 11859946.

It is an arithmetic number, because the mean of its divisors is an integer number (2431872203328).

Almost surely, 2^{18846945475201} is an apocalyptic number.

It is an amenable number.

18846945475201 is a deficient number, since it is larger than the sum of its proper divisors (608032151423).

18846945475201 is a wasteful number, since it uses less digits than its factorization.

18846945475201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067791.

The product of its (nonzero) digits is 77414400, while the sum is 64.

The spelling of 18846945475201 in words is "eighteen trillion, eight hundred forty-six billion, nine hundred forty-five million, four hundred seventy-five thousand, two hundred one".