18724466896097 has 2 divisors, whose sum is σ = 18724466896098. Its totient is φ = 18724466896096.

The previous prime is 18724466896087. The next prime is 18724466896151. The reversal of 18724466896097 is 79069866442781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17028835813201 + 1695631082896 = 4126601^2 + 1302164^2 .

It is a cyclic number.

It is not a de Polignac number, because 18724466896097 - 2⁴ = 18724466896081 is a prime.

It is not a weakly prime, because it can be changed into another prime (18724466896087) 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, 9362233448048 + 9362233448049.

It is an arithmetic number, because the mean of its divisors is an integer number (9362233448049).

Almost surely, 2^{18724466896097} is an apocalyptic number.

It is an amenable number.

18724466896097 is a deficient number, since it is larger than the sum of its proper divisors (1).

18724466896097 is an equidigital number, since it uses as much as digits as its factorization.

18724466896097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1755758592, while the sum is 77.

The spelling of 18724466896097 in words is "eighteen trillion, seven hundred twenty-four billion, four hundred sixty-six million, eight hundred ninety-six thousand, ninety-seven".