18344775348050 has 18 divisors (see below), whose sum is σ = 34121338479333. Its totient is φ = 7337898024840.

The previous prime is 18344775348017. The next prime is 18344775348079. The reversal of 18344775348050 is 5084357744381.

It can be written as a sum of positive squares in 2 ways, for example, as 17977879841089 + 366895506961 = 4240033^2 + 605719^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3028595.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 29983091 + ... + 30588809.

Almost surely, 2^{18344775348050} is an apocalyptic number.

18344775348050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18344775348050 is a deficient number, since it is larger than the sum of its proper divisors (15776563131283).

18344775348050 is an frugal number, since it uses more digits than its factorization.

18344775348050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211450 (or 605726 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 59.

The spelling of 18344775348050 in words is "eighteen trillion, three hundred forty-four billion, seven hundred seventy-five million, three hundred forty-eight thousand, fifty".