18595140241 has 2 divisors, whose sum is σ = 18595140242. Its totient is φ = 18595140240.

The previous prime is 18595140227. The next prime is 18595140247. The reversal of 18595140241 is 14204159581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13565493841 + 5029646400 = 116471^2 + 70920^2 .

It is an emirp because it is prime and its reverse (14204159581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18595140241 - 2¹⁹ = 18594615953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18595140194 and 18595140203.

It is not a weakly prime, because it can be changed into another prime (18595140247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9297570120 + 9297570121.

It is an arithmetic number, because the mean of its divisors is an integer number (9297570121).

Almost surely, 2^18595140241 is an apocalyptic number.

It is an amenable number.

18595140241 is a deficient number, since it is larger than the sum of its proper divisors (1).

18595140241 is an equidigital number, since it uses as much as digits as its factorization.

18595140241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 18595140241 in words is "eighteen billion, five hundred ninety-five million, one hundred forty thousand, two hundred forty-one".