71648501759 has 2 divisors, whose sum is σ = 71648501760. Its totient is φ = 71648501758.

The previous prime is 71648501747. The next prime is 71648501779. The reversal of 71648501759 is 95710584617.

It is a weak prime.

It is an emirp because it is prime and its reverse (95710584617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71648501759 - 2¹² = 71648497663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71648501759.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71648501779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35824250879 + 35824250880.

It is an arithmetic number, because the mean of its divisors is an integer number (35824250880).

Almost surely, 2^71648501759 is an apocalyptic number.

71648501759 is a deficient number, since it is larger than the sum of its proper divisors (1).

71648501759 is an equidigital number, since it uses as much as digits as its factorization.

71648501759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 53.

The spelling of 71648501759 in words is "seventy-one billion, six hundred forty-eight million, five hundred one thousand, seven hundred fifty-nine".