19244941 has 2 divisors, whose sum is σ = 19244942. Its totient is φ = 19244940.

The previous prime is 19244899. The next prime is 19244947. The reversal of 19244941 is 14944291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16080100 + 3164841 = 4010^2 + 1779^2 .

It is an emirp because it is prime and its reverse (14944291) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19244941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19244897 and 19244906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19244947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9622470 + 9622471.

It is an arithmetic number, because the mean of its divisors is an integer number (9622471).

Almost surely, 2^19244941 is an apocalyptic number.

It is an amenable number.

19244941 is a deficient number, since it is larger than the sum of its proper divisors (1).

19244941 is an equidigital number, since it uses as much as digits as its factorization.

19244941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 19244941 is about 4386.9056292562. The cubic root of 19244941 is about 267.9819407524.

The spelling of 19244941 in words is "nineteen million, two hundred forty-four thousand, nine hundred forty-one".