71306214671 has 2 divisors, whose sum is σ = 71306214672. Its totient is φ = 71306214670.

The previous prime is 71306214643. The next prime is 71306214691. The reversal of 71306214671 is 17641260317.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71306214671 - 2¹⁴ = 71306198287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71306214611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35653107335 + 35653107336.

It is an arithmetic number, because the mean of its divisors is an integer number (35653107336).

Almost surely, 2^71306214671 is an apocalyptic number.

71306214671 is a deficient number, since it is larger than the sum of its proper divisors (1).

71306214671 is an equidigital number, since it uses as much as digits as its factorization.

71306214671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

Adding to 71306214671 its reverse (17641260317), we get a palindrome (88947474988).

The spelling of 71306214671 in words is "seventy-one billion, three hundred six million, two hundred fourteen thousand, six hundred seventy-one".