71168429393 has 2 divisors, whose sum is σ = 71168429394. Its totient is φ = 71168429392.

The previous prime is 71168429377. The next prime is 71168429401. The reversal of 71168429393 is 39392486117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54097177744 + 17071251649 = 232588^2 + 130657^2 .

It is a cyclic number.

It is not a de Polignac number, because 71168429393 - 2⁴ = 71168429377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (71168429303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35584214696 + 35584214697.

It is an arithmetic number, because the mean of its divisors is an integer number (35584214697).

Almost surely, 2^71168429393 is an apocalyptic number.

It is an amenable number.

71168429393 is a deficient number, since it is larger than the sum of its proper divisors (1).

71168429393 is an equidigital number, since it uses as much as digits as its factorization.

71168429393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 53.

The spelling of 71168429393 in words is "seventy-one billion, one hundred sixty-eight million, four hundred twenty-nine thousand, three hundred ninety-three".