71698358801 has 2 divisors, whose sum is σ = 71698358802. Its totient is φ = 71698358800.

The previous prime is 71698358779. The next prime is 71698358803. The reversal of 71698358801 is 10885389617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68237978176 + 3460380625 = 261224^2 + 58825^2 .

It is a cyclic number.

It is not a de Polignac number, because 71698358801 - 2³⁰ = 70624616977 is a prime.

Together with 71698358803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71698358803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35849179400 + 35849179401.

It is an arithmetic number, because the mean of its divisors is an integer number (35849179401).

Almost surely, 2^71698358801 is an apocalyptic number.

It is an amenable number.

71698358801 is a deficient number, since it is larger than the sum of its proper divisors (1).

71698358801 is an equidigital number, since it uses as much as digits as its factorization.

71698358801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 56.

The spelling of 71698358801 in words is "seventy-one billion, six hundred ninety-eight million, three hundred fifty-eight thousand, eight hundred one".