19411823653 has 2 divisors, whose sum is σ = 19411823654. Its totient is φ = 19411823652.

The previous prime is 19411823623. The next prime is 19411823687. The reversal of 19411823653 is 35632811491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18054490689 + 1357332964 = 134367^2 + 36842^2 .

It is an emirp because it is prime and its reverse (35632811491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19411823653 - 2¹³ = 19411815461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19411823623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9705911826 + 9705911827.

It is an arithmetic number, because the mean of its divisors is an integer number (9705911827).

Almost surely, 2^19411823653 is an apocalyptic number.

It is an amenable number.

19411823653 is a deficient number, since it is larger than the sum of its proper divisors (1).

19411823653 is an equidigital number, since it uses as much as digits as its factorization.

19411823653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The spelling of 19411823653 in words is "nineteen billion, four hundred eleven million, eight hundred twenty-three thousand, six hundred fifty-three".