1019690353793 has 2 divisors, whose sum is σ = 1019690353794. Its totient is φ = 1019690353792.

The previous prime is 1019690353769. The next prime is 1019690353811. The reversal of 1019690353793 is 3973530969101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 954239829904 + 65450523889 = 976852^2 + 255833^2 .

It is a cyclic number.

It is not a de Polignac number, because 1019690353793 - 2⁸ = 1019690353537 is a prime.

It is not a weakly prime, because it can be changed into another prime (1019690353723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509845176896 + 509845176897.

It is an arithmetic number, because the mean of its divisors is an integer number (509845176897).

Almost surely, 2^{1019690353793} is an apocalyptic number.

It is an amenable number.

1019690353793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1019690353793 is an equidigital number, since it uses as much as digits as its factorization.

1019690353793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4133430, while the sum is 56.

The spelling of 1019690353793 in words is "one trillion, nineteen billion, six hundred ninety million, three hundred fifty-three thousand, seven hundred ninety-three".