18497355119 has 2 divisors, whose sum is σ = 18497355120. Its totient is φ = 18497355118.

The previous prime is 18497355103. The next prime is 18497355143. The reversal of 18497355119 is 91155379481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18497355119 - 2⁴ = 18497355103 is a prime.

It is a super-2 number, since 2×18497355119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18497355169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9248677559 + 9248677560.

It is an arithmetic number, because the mean of its divisors is an integer number (9248677560).

Almost surely, 2^18497355119 is an apocalyptic number.

18497355119 is a deficient number, since it is larger than the sum of its proper divisors (1).

18497355119 is an equidigital number, since it uses as much as digits as its factorization.

18497355119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 53.

The spelling of 18497355119 in words is "eighteen billion, four hundred ninety-seven million, three hundred fifty-five thousand, one hundred nineteen".