18654096389 has 2 divisors, whose sum is σ = 18654096390. Its totient is φ = 18654096388.

The previous prime is 18654096371. The next prime is 18654096407. The reversal of 18654096389 is 98369045681.

It is a balanced prime because it is at equal distance from previous prime (18654096371) and next prime (18654096407).

It can be written as a sum of positive squares in only one way, i.e., 15378480100 + 3275616289 = 124010^2 + 57233^2 .

It is a cyclic number.

It is not a de Polignac number, because 18654096389 - 2²⁰ = 18653047813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18654296389) 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, 9327048194 + 9327048195.

It is an arithmetic number, because the mean of its divisors is an integer number (9327048195).

Almost surely, 2^18654096389 is an apocalyptic number.

It is an amenable number.

18654096389 is a deficient number, since it is larger than the sum of its proper divisors (1).

18654096389 is an equidigital number, since it uses as much as digits as its factorization.

18654096389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 18654096389 in words is "eighteen billion, six hundred fifty-four million, ninety-six thousand, three hundred eighty-nine".