17918759041 has 2 divisors, whose sum is σ = 17918759042. Its totient is φ = 17918759040.

The previous prime is 17918758987. The next prime is 17918759059. The reversal of 17918759041 is 14095781971.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14519286016 + 3399473025 = 120496^2 + 58305^2 .

It is a cyclic number.

It is not a de Polignac number, because 17918759041 - 2²⁵ = 17885204609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17918759041.

It is not a weakly prime, because it can be changed into another prime (17918757041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8959379520 + 8959379521.

It is an arithmetic number, because the mean of its divisors is an integer number (8959379521).

Almost surely, 2^17918759041 is an apocalyptic number.

It is an amenable number.

17918759041 is a deficient number, since it is larger than the sum of its proper divisors (1).

17918759041 is an equidigital number, since it uses as much as digits as its factorization.

17918759041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 52.

The spelling of 17918759041 in words is "seventeen billion, nine hundred eighteen million, seven hundred fifty-nine thousand, forty-one".