18057748259 has 2 divisors, whose sum is σ = 18057748260. Its totient is φ = 18057748258.

The previous prime is 18057748237. The next prime is 18057748271. The reversal of 18057748259 is 95284775081.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18057748259 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (18057748559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9028874129 + 9028874130.

It is an arithmetic number, because the mean of its divisors is an integer number (9028874130).

Almost surely, 2^18057748259 is an apocalyptic number.

18057748259 is a deficient number, since it is larger than the sum of its proper divisors (1).

18057748259 is an equidigital number, since it uses as much as digits as its factorization.

18057748259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5644800, while the sum is 56.

The spelling of 18057748259 in words is "eighteen billion, fifty-seven million, seven hundred forty-eight thousand, two hundred fifty-nine".