19055422508389 has 2 divisors, whose sum is σ = 19055422508390. Its totient is φ = 19055422508388.

The previous prime is 19055422508371. The next prime is 19055422508411. The reversal of 19055422508389 is 98380522455091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12569563348164 + 6485859160225 = 3545358^2 + 2546735^2 .

It is a cyclic number.

It is not a de Polignac number, because 19055422508389 - 2¹³ = 19055422500197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19055422508329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9527711254194 + 9527711254195.

It is an arithmetic number, because the mean of its divisors is an integer number (9527711254195).

Almost surely, 2^{19055422508389} is an apocalyptic number.

It is an amenable number.

19055422508389 is a deficient number, since it is larger than the sum of its proper divisors (1).

19055422508389 is an equidigital number, since it uses as much as digits as its factorization.

19055422508389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104000, while the sum is 61.

The spelling of 19055422508389 in words is "nineteen trillion, fifty-five billion, four hundred twenty-two million, five hundred eight thousand, three hundred eighty-nine".