19235232427 has 2 divisors, whose sum is σ = 19235232428. Its totient is φ = 19235232426.

The previous prime is 19235232391. The next prime is 19235232469. The reversal of 19235232427 is 72423253291.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19235232427 - 2³¹ = 17087748779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19235232427.

It is not a weakly prime, because it can be changed into another prime (19235232227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9617616213 + 9617616214.

It is an arithmetic number, because the mean of its divisors is an integer number (9617616214).

Almost surely, 2^19235232427 is an apocalyptic number.

19235232427 is a deficient number, since it is larger than the sum of its proper divisors (1).

19235232427 is an equidigital number, since it uses as much as digits as its factorization.

19235232427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The spelling of 19235232427 in words is "nineteen billion, two hundred thirty-five million, two hundred thirty-two thousand, four hundred twenty-seven".