18759941 has 2 divisors, whose sum is σ = 18759942. Its totient is φ = 18759940.

The previous prime is 18759931. The next prime is 18759953. The reversal of 18759941 is 14995781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10660225 + 8099716 = 3265^2 + 2846^2 .

It is a cyclic number.

It is not a de Polignac number, because 18759941 - 2⁶ = 18759877 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18759892 and 18759901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18759931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9379970 + 9379971.

It is an arithmetic number, because the mean of its divisors is an integer number (9379971).

Almost surely, 2^18759941 is an apocalyptic number.

It is an amenable number.

18759941 is a deficient number, since it is larger than the sum of its proper divisors (1).

18759941 is an equidigital number, since it uses as much as digits as its factorization.

18759941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 44.

The square root of 18759941 is about 4331.2747546190. The cubic root of 18759941 is about 265.7115846176.

The spelling of 18759941 in words is "eighteen million, seven hundred fifty-nine thousand, nine hundred forty-one".