18324968801 has 2 divisors, whose sum is σ = 18324968802. Its totient is φ = 18324968800.

The previous prime is 18324968789. The next prime is 18324968813. The reversal of 18324968801 is 10886942381.

It is a balanced prime because it is at equal distance from previous prime (18324968789) and next prime (18324968813).

It can be written as a sum of positive squares in only one way, i.e., 12105280576 + 6219688225 = 110024^2 + 78865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18324968801 is a prime.

It is a super-3 number, since 3×18324968801³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18324968801.

It is not a weakly prime, because it can be changed into another prime (18324968861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9162484400 + 9162484401.

It is an arithmetic number, because the mean of its divisors is an integer number (9162484401).

Almost surely, 2^18324968801 is an apocalyptic number.

It is an amenable number.

18324968801 is a deficient number, since it is larger than the sum of its proper divisors (1).

18324968801 is an equidigital number, since it uses as much as digits as its factorization.

18324968801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 50.

The spelling of 18324968801 in words is "eighteen billion, three hundred twenty-four million, nine hundred sixty-eight thousand, eight hundred one".