71963795291 has 2 divisors, whose sum is σ = 71963795292. Its totient is φ = 71963795290.

The previous prime is 71963795269. The next prime is 71963795303. The reversal of 71963795291 is 19259736917.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71963795291 - 2¹⁴ = 71963778907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71963795291.

It is not a weakly prime, because it can be changed into another prime (71963795231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35981897645 + 35981897646.

It is an arithmetic number, because the mean of its divisors is an integer number (35981897646).

Almost surely, 2^71963795291 is an apocalyptic number.

71963795291 is a deficient number, since it is larger than the sum of its proper divisors (1).

71963795291 is an equidigital number, since it uses as much as digits as its factorization.

71963795291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6429780, while the sum is 59.

The spelling of 71963795291 in words is "seventy-one billion, nine hundred sixty-three million, seven hundred ninety-five thousand, two hundred ninety-one".