19038683497 has 2 divisors, whose sum is σ = 19038683498. Its totient is φ = 19038683496.

The previous prime is 19038683467. The next prime is 19038683519. The reversal of 19038683497 is 79438683091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19034065296 + 4618201 = 137964^2 + 2149^2 .

It is a cyclic number.

It is not a de Polignac number, because 19038683497 - 2¹⁹ = 19038159209 is a prime.

It is not a weakly prime, because it can be changed into another prime (19038683467) 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, 9519341748 + 9519341749.

It is an arithmetic number, because the mean of its divisors is an integer number (9519341749).

Almost surely, 2^19038683497 is an apocalyptic number.

It is an amenable number.

19038683497 is a deficient number, since it is larger than the sum of its proper divisors (1).

19038683497 is an equidigital number, since it uses as much as digits as its factorization.

19038683497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 19038683497 in words is "nineteen billion, thirty-eight million, six hundred eighty-three thousand, four hundred ninety-seven".