19144429340563 has 2 divisors, whose sum is σ = 19144429340564. Its totient is φ = 19144429340562.

The previous prime is 19144429340507. The next prime is 19144429340591. The reversal of 19144429340563 is 36504392444191.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19144429340563 is a prime.

It is not a weakly prime, because it can be changed into another prime (19144429340263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9572214670281 + 9572214670282.

It is an arithmetic number, because the mean of its divisors is an integer number (9572214670282).

Almost surely, 2^{19144429340563} is an apocalyptic number.

19144429340563 is a deficient number, since it is larger than the sum of its proper divisors (1).

19144429340563 is an equidigital number, since it uses as much as digits as its factorization.

19144429340563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 19144429340563 in words is "nineteen trillion, one hundred forty-four billion, four hundred twenty-nine million, three hundred forty thousand, five hundred sixty-three".