19052388539 has 2 divisors, whose sum is σ = 19052388540. Its totient is φ = 19052388538.

The previous prime is 19052388533. The next prime is 19052388599. The reversal of 19052388539 is 93588325091.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19052388539 is a prime.

It is not a weakly prime, because it can be changed into another prime (19052388533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9526194269 + 9526194270.

It is an arithmetic number, because the mean of its divisors is an integer number (9526194270).

Almost surely, 2^19052388539 is an apocalyptic number.

19052388539 is a deficient number, since it is larger than the sum of its proper divisors (1).

19052388539 is an equidigital number, since it uses as much as digits as its factorization.

19052388539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 19052388539 in words is "nineteen billion, fifty-two million, three hundred eighty-eight thousand, five hundred thirty-nine".