18219159083 has 2 divisors, whose sum is σ = 18219159084. Its totient is φ = 18219159082.

The previous prime is 18219158987. The next prime is 18219159121. The reversal of 18219159083 is 38095191281.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18219159083 - 2⁸ = 18219158827 is a prime.

It is a super-2 number, since 2×18219159083² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18219159583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9109579541 + 9109579542.

It is an arithmetic number, because the mean of its divisors is an integer number (9109579542).

Almost surely, 2^18219159083 is an apocalyptic number.

18219159083 is a deficient number, since it is larger than the sum of its proper divisors (1).

18219159083 is an equidigital number, since it uses as much as digits as its factorization.

18219159083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 47.

The spelling of 18219159083 in words is "eighteen billion, two hundred nineteen million, one hundred fifty-nine thousand, eighty-three".