1969343683117 has 2 divisors, whose sum is σ = 1969343683118. Its totient is φ = 1969343683116.

The previous prime is 1969343683081. The next prime is 1969343683121. The reversal of 1969343683117 is 7113863439691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1883300607556 + 86043075561 = 1372334^2 + 293331^2 .

It is a cyclic number.

It is not a de Polignac number, because 1969343683117 - 2³⁹ = 1419587869229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1969343683147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984671841558 + 984671841559.

It is an arithmetic number, because the mean of its divisors is an integer number (984671841559).

Almost surely, 2^{1969343683117} is an apocalyptic number.

It is an amenable number.

1969343683117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1969343683117 is an equidigital number, since it uses as much as digits as its factorization.

1969343683117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17635968, while the sum is 61.

The spelling of 1969343683117 in words is "one trillion, nine hundred sixty-nine billion, three hundred forty-three million, six hundred eighty-three thousand, one hundred seventeen".