18001741019 has 2 divisors, whose sum is σ = 18001741020. Its totient is φ = 18001741018.

The previous prime is 18001740979. The next prime is 18001741057. The reversal of 18001741019 is 91014710081.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18001741019 is a prime.

It is a super-2 number, since 2×18001741019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18001711019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9000870509 + 9000870510.

It is an arithmetic number, because the mean of its divisors is an integer number (9000870510).

Almost surely, 2^18001741019 is an apocalyptic number.

18001741019 is a deficient number, since it is larger than the sum of its proper divisors (1).

18001741019 is an equidigital number, since it uses as much as digits as its factorization.

18001741019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 32.

The spelling of 18001741019 in words is "eighteen billion, one million, seven hundred forty-one thousand, nineteen".