18499180703 has 2 divisors, whose sum is σ = 18499180704. Its totient is φ = 18499180702.

The previous prime is 18499180699. The next prime is 18499180727. The reversal of 18499180703 is 30708199481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18499180703 - 2² = 18499180699 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18499180103) 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, 9249590351 + 9249590352.

It is an arithmetic number, because the mean of its divisors is an integer number (9249590352).

Almost surely, 2^18499180703 is an apocalyptic number.

18499180703 is a deficient number, since it is larger than the sum of its proper divisors (1).

18499180703 is an equidigital number, since it uses as much as digits as its factorization.

18499180703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 18499180703 in words is "eighteen billion, four hundred ninety-nine million, one hundred eighty thousand, seven hundred three".