71322772219 has 2 divisors, whose sum is σ = 71322772220. Its totient is φ = 71322772218.

The previous prime is 71322772201. The next prime is 71322772229. The reversal of 71322772219 is 91227722317.

It is a strong prime.

It is an emirp because it is prime and its reverse (91227722317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71322772219 - 2¹⁷ = 71322641147 is a prime.

It is a super-2 number, since 2×71322772219² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71322772229) 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, 35661386109 + 35661386110.

It is an arithmetic number, because the mean of its divisors is an integer number (35661386110).

Almost surely, 2^71322772219 is an apocalyptic number.

71322772219 is a deficient number, since it is larger than the sum of its proper divisors (1).

71322772219 is an equidigital number, since it uses as much as digits as its factorization.

71322772219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 43.

The spelling of 71322772219 in words is "seventy-one billion, three hundred twenty-two million, seven hundred seventy-two thousand, two hundred nineteen".