19869341 has 2 divisors, whose sum is σ = 19869342. Its totient is φ = 19869340.

The previous prime is 19869331. The next prime is 19869361. The reversal of 19869341 is 14396891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18957316 + 912025 = 4354^2 + 955^2 .

It is an emirp because it is prime and its reverse (14396891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19869341 - 2¹⁸ = 19607197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19869301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9934670 + 9934671.

It is an arithmetic number, because the mean of its divisors is an integer number (9934671).

Almost surely, 2^19869341 is an apocalyptic number.

It is an amenable number.

19869341 is a deficient number, since it is larger than the sum of its proper divisors (1).

19869341 is an equidigital number, since it uses as much as digits as its factorization.

19869341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 19869341 is about 4457.5038979231. The cubic root of 19869341 is about 270.8493645948.

The spelling of 19869341 in words is "nineteen million, eight hundred sixty-nine thousand, three hundred forty-one".