18369466497 has 10 divisors (see below), whose sum is σ = 27440808098. Its totient is φ = 12246310944.

The previous prime is 18369466481. The next prime is 18369466517. The reversal of 18369466497 is 79466496381.

18369466497 is a `hidden beast` number, since 1 + 83 + 6 + 9 + 4 + 66 + 497 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18283366656 + 86099841 = 135216^2 + 9279^2 .

It is not a de Polignac number, because 18369466497 - 2⁴ = 18369466481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18369466697) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 113391688 + ... + 113391849.

Almost surely, 2^18369466497 is an apocalyptic number.

It is an amenable number.

18369466497 is a deficient number, since it is larger than the sum of its proper divisors (9071341601).

18369466497 is an equidigital number, since it uses as much as digits as its factorization.

18369466497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226783549 (or 226783540 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 18369466497 in words is "eighteen billion, three hundred sixty-nine million, four hundred sixty-six thousand, four hundred ninety-seven".