18894560341 has 8 divisors (see below), whose sum is σ = 19408667960. Its totient is φ = 18380634048.

The previous prime is 18894560339. The next prime is 18894560369. The reversal of 18894560341 is 14306549881.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6902120241 + 11992440100 = 83079^2 + 109510^2 .

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 18894560341 - 2¹ = 18894560339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18894560141) 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, 181075 + ... + 265663.

It is an arithmetic number, because the mean of its divisors is an integer number (2426083495).

Almost surely, 2^18894560341 is an apocalyptic number.

It is an amenable number.

18894560341 is a deficient number, since it is larger than the sum of its proper divisors (514107619).

18894560341 is an equidigital number, since it uses as much as digits as its factorization.

18894560341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90663.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 18894560341 in words is "eighteen billion, eight hundred ninety-four million, five hundred sixty thousand, three hundred forty-one".