19382758133 has 2 divisors, whose sum is σ = 19382758134. Its totient is φ = 19382758132.

The previous prime is 19382758093. The next prime is 19382758139. The reversal of 19382758133 is 33185728391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10777969489 + 8604788644 = 103817^2 + 92762^2 .

It is a cyclic number.

It is not a de Polignac number, because 19382758133 - 2¹² = 19382754037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19382758139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9691379066 + 9691379067.

It is an arithmetic number, because the mean of its divisors is an integer number (9691379067).

Almost surely, 2^19382758133 is an apocalyptic number.

It is an amenable number.

19382758133 is a deficient number, since it is larger than the sum of its proper divisors (1).

19382758133 is an equidigital number, since it uses as much as digits as its factorization.

19382758133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The spelling of 19382758133 in words is "nineteen billion, three hundred eighty-two million, seven hundred fifty-eight thousand, one hundred thirty-three".