19462848161 has 2 divisors, whose sum is σ = 19462848162. Its totient is φ = 19462848160.

The previous prime is 19462848137. The next prime is 19462848169. The reversal of 19462848161 is 16184826491.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17392598161 + 2070250000 = 131881^2 + 45500^2 .

It is a cyclic number.

It is not a de Polignac number, because 19462848161 - 2¹⁴ = 19462831777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (19462848169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9731424080 + 9731424081.

It is an arithmetic number, because the mean of its divisors is an integer number (9731424081).

Almost surely, 2^19462848161 is an apocalyptic number.

It is an amenable number.

19462848161 is a deficient number, since it is larger than the sum of its proper divisors (1).

19462848161 is an equidigital number, since it uses as much as digits as its factorization.

19462848161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 50.

The spelling of 19462848161 in words is "nineteen billion, four hundred sixty-two million, eight hundred forty-eight thousand, one hundred sixty-one".