18446183297 has 2 divisors, whose sum is σ = 18446183298. Its totient is φ = 18446183296.

The previous prime is 18446183293. The next prime is 18446183303. The reversal of 18446183297 is 79238164481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11092091761 + 7354091536 = 105319^2 + 85756^2 .

It is a cyclic number.

It is not a de Polignac number, because 18446183297 - 2² = 18446183293 is a prime.

It is not a weakly prime, because it can be changed into another prime (18446183291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9223091648 + 9223091649.

It is an arithmetic number, because the mean of its divisors is an integer number (9223091649).

Almost surely, 2^18446183297 is an apocalyptic number.

It is an amenable number.

18446183297 is a deficient number, since it is larger than the sum of its proper divisors (1).

18446183297 is an equidigital number, since it uses as much as digits as its factorization.

18446183297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 53.

The spelling of 18446183297 in words is "eighteen billion, four hundred forty-six million, one hundred eighty-three thousand, two hundred ninety-seven".