19073392693 has 2 divisors, whose sum is σ = 19073392694. Its totient is φ = 19073392692.

The previous prime is 19073392651. The next prime is 19073392697. The reversal of 19073392693 is 39629337091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19068019569 + 5373124 = 138087^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 19073392693 - 2⁹ = 19073392181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19073392693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19073392697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9536696346 + 9536696347.

It is an arithmetic number, because the mean of its divisors is an integer number (9536696347).

Almost surely, 2^19073392693 is an apocalyptic number.

It is an amenable number.

19073392693 is a deficient number, since it is larger than the sum of its proper divisors (1).

19073392693 is an equidigital number, since it uses as much as digits as its factorization.

19073392693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1653372, while the sum is 52.

The spelling of 19073392693 in words is "nineteen billion, seventy-three million, three hundred ninety-two thousand, six hundred ninety-three".