19339424161 has 2 divisors, whose sum is σ = 19339424162. Its totient is φ = 19339424160.

The previous prime is 19339424131. The next prime is 19339424191. The reversal of 19339424161 is 16142493391.

It is a balanced prime because it is at equal distance from previous prime (19339424131) and next prime (19339424191).

It can be written as a sum of positive squares in only one way, i.e., 14120806561 + 5218617600 = 118831^2 + 72240^2 .

It is a cyclic number.

It is not a de Polignac number, because 19339424161 - 2⁵ = 19339424129 is a prime.

It is not a weakly prime, because it can be changed into another prime (19339424131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9669712080 + 9669712081.

It is an arithmetic number, because the mean of its divisors is an integer number (9669712081).

Almost surely, 2^19339424161 is an apocalyptic number.

It is an amenable number.

19339424161 is a deficient number, since it is larger than the sum of its proper divisors (1).

19339424161 is an equidigital number, since it uses as much as digits as its factorization.

19339424161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 43.

The spelling of 19339424161 in words is "nineteen billion, three hundred thirty-nine million, four hundred twenty-four thousand, one hundred sixty-one".