19573035841 has 2 divisors, whose sum is σ = 19573035842. Its totient is φ = 19573035840.

The previous prime is 19573035829. The next prime is 19573035887. The reversal of 19573035841 is 14853037591.

It is a happy number.

It is an a-pointer prime, because the next prime (19573035887) can be obtained adding 19573035841 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18829328400 + 743707441 = 137220^2 + 27271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19573035841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19573035791 and 19573035800.

It is not a weakly prime, because it can be changed into another prime (19573035541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9786517920 + 9786517921.

It is an arithmetic number, because the mean of its divisors is an integer number (9786517921).

Almost surely, 2^19573035841 is an apocalyptic number.

It is an amenable number.

19573035841 is a deficient number, since it is larger than the sum of its proper divisors (1).

19573035841 is an equidigital number, since it uses as much as digits as its factorization.

19573035841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 19573035841 in words is "nineteen billion, five hundred seventy-three million, thirty-five thousand, eight hundred forty-one".