18497660359 has 2 divisors, whose sum is σ = 18497660360. Its totient is φ = 18497660358.

The previous prime is 18497660347. The next prime is 18497660383. The reversal of 18497660359 is 95306679481.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18497660359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18497660309) 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, 9248830179 + 9248830180.

It is an arithmetic number, because the mean of its divisors is an integer number (9248830180).

Almost surely, 2^18497660359 is an apocalyptic number.

18497660359 is a deficient number, since it is larger than the sum of its proper divisors (1).

18497660359 is an equidigital number, since it uses as much as digits as its factorization.

18497660359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 18497660359 in words is "eighteen billion, four hundred ninety-seven million, six hundred sixty thousand, three hundred fifty-nine".