18398105671703 has 2 divisors, whose sum is σ = 18398105671704. Its totient is φ = 18398105671702.

The previous prime is 18398105671669. The next prime is 18398105671727. The reversal of 18398105671703 is 30717650189381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18398105671703 - 2¹⁸ = 18398105409559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18398105674703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9199052835851 + 9199052835852.

It is an arithmetic number, because the mean of its divisors is an integer number (9199052835852).

Almost surely, 2^{18398105671703} is an apocalyptic number.

18398105671703 is a deficient number, since it is larger than the sum of its proper divisors (1).

18398105671703 is an equidigital number, since it uses as much as digits as its factorization.

18398105671703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The spelling of 18398105671703 in words is "eighteen trillion, three hundred ninety-eight billion, one hundred five million, six hundred seventy-one thousand, seven hundred three".