18369101 has 2 divisors, whose sum is σ = 18369102. Its totient is φ = 18369100.

The previous prime is 18369089. The next prime is 18369149. The reversal of 18369101 is 10196381.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13147876 + 5221225 = 3626^2 + 2285^2 .

It is a cyclic number.

It is not a de Polignac number, because 18369101 - 2⁶ = 18369037 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18365101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9184550 + 9184551.

It is an arithmetic number, because the mean of its divisors is an integer number (9184551).

Almost surely, 2^18369101 is an apocalyptic number.

It is an amenable number.

18369101 is a deficient number, since it is larger than the sum of its proper divisors (1).

18369101 is an equidigital number, since it uses as much as digits as its factorization.

18369101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 18369101 is about 4285.9189213050. The cubic root of 18369101 is about 263.8533630493.

The spelling of 18369101 in words is "eighteen million, three hundred sixty-nine thousand, one hundred one".