71959659701 has 2 divisors, whose sum is σ = 71959659702. Its totient is φ = 71959659700.

The previous prime is 71959659647. The next prime is 71959659731. The reversal of 71959659701 is 10795695917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40427134225 + 31532525476 = 201065^2 + 177574^2 .

It is a cyclic number.

It is not a de Polignac number, because 71959659701 - 2²² = 71955465397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71959659731) 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, 35979829850 + 35979829851.

It is an arithmetic number, because the mean of its divisors is an integer number (35979829851).

Almost surely, 2^71959659701 is an apocalyptic number.

It is an amenable number.

71959659701 is a deficient number, since it is larger than the sum of its proper divisors (1).

71959659701 is an equidigital number, since it uses as much as digits as its factorization.

71959659701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5358150, while the sum is 59.

The spelling of 71959659701 in words is "seventy-one billion, nine hundred fifty-nine million, six hundred fifty-nine thousand, seven hundred one".