18359941 has 2 divisors, whose sum is σ = 18359942. Its totient is φ = 18359940.

The previous prime is 18359903. The next prime is 18359951. The reversal of 18359941 is 14995381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10956100 + 7403841 = 3310^2 + 2721^2 .

It is a cyclic number.

It is not a de Polignac number, because 18359941 - 2²¹ = 16262789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18359894 and 18359903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18359951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9179970 + 9179971.

It is an arithmetic number, because the mean of its divisors is an integer number (9179971).

Almost surely, 2^18359941 is an apocalyptic number.

It is an amenable number.

18359941 is a deficient number, since it is larger than the sum of its proper divisors (1).

18359941 is an equidigital number, since it uses as much as digits as its factorization.

18359941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 40.

The square root of 18359941 is about 4284.8501724098. The cubic root of 18359941 is about 263.8094977443.

The spelling of 18359941 in words is "eighteen million, three hundred fifty-nine thousand, nine hundred forty-one".