19429441 has 2 divisors, whose sum is σ = 19429442. Its totient is φ = 19429440.

The previous prime is 19429433. The next prime is 19429469. The reversal of 19429441 is 14492491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19395216 + 34225 = 4404^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 19429441 - 2³ = 19429433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19429397 and 19429406.

It is not a weakly prime, because it can be changed into another prime (19429541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9714720 + 9714721.

It is an arithmetic number, because the mean of its divisors is an integer number (9714721).

Almost surely, 2^19429441 is an apocalyptic number.

It is an amenable number.

19429441 is a deficient number, since it is larger than the sum of its proper divisors (1).

19429441 is an equidigital number, since it uses as much as digits as its factorization.

19429441 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 19429441 is about 4407.8839594527. The cubic root of 19429441 is about 268.8355937208.

The spelling of 19429441 in words is "nineteen million, four hundred twenty-nine thousand, four hundred forty-one".