19441314617 has 2 divisors, whose sum is σ = 19441314618. Its totient is φ = 19441314616.

The previous prime is 19441314583. The next prime is 19441314619. The reversal of 19441314617 is 71641314491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16701943696 + 2739370921 = 129236^2 + 52339^2 .

It is a cyclic number.

It is not a de Polignac number, because 19441314617 - 2²⁴ = 19424537401 is a prime.

Together with 19441314619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19441314619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9720657308 + 9720657309.

It is an arithmetic number, because the mean of its divisors is an integer number (9720657309).

Almost surely, 2^19441314617 is an apocalyptic number.

It is an amenable number.

19441314617 is a deficient number, since it is larger than the sum of its proper divisors (1).

19441314617 is an equidigital number, since it uses as much as digits as its factorization.

19441314617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The spelling of 19441314617 in words is "nineteen billion, four hundred forty-one million, three hundred fourteen thousand, six hundred seventeen".