1696278374393 has 2 divisors, whose sum is σ = 1696278374394. Its totient is φ = 1696278374392.

The previous prime is 1696278374377. The next prime is 1696278374407. The reversal of 1696278374393 is 3934738726961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1036330108009 + 659948266384 = 1018003^2 + 812372^2 .

It is a cyclic number.

It is not a de Polignac number, because 1696278374393 - 2⁴ = 1696278374377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1696278374303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 848139187196 + 848139187197.

It is an arithmetic number, because the mean of its divisors is an integer number (848139187197).

Almost surely, 2^{1696278374393} is an apocalyptic number.

It is an amenable number.

1696278374393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1696278374393 is an equidigital number, since it uses as much as digits as its factorization.

1696278374393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246903552, while the sum is 68.

The spelling of 1696278374393 in words is "one trillion, six hundred ninety-six billion, two hundred seventy-eight million, three hundred seventy-four thousand, three hundred ninety-three".