71684005363 has 2 divisors, whose sum is σ = 71684005364. Its totient is φ = 71684005362.

The previous prime is 71684005361. The next prime is 71684005441. The reversal of 71684005363 is 36350048617.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71684005363 - 2¹ = 71684005361 is a prime.

It is a super-2 number, since 2×71684005363² (a number of 23 digits) contains 22 as substring.

Together with 71684005361, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (71684005361) 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, 35842002681 + 35842002682.

It is an arithmetic number, because the mean of its divisors is an integer number (35842002682).

Almost surely, 2^71684005363 is an apocalyptic number.

71684005363 is a deficient number, since it is larger than the sum of its proper divisors (1).

71684005363 is an equidigital number, since it uses as much as digits as its factorization.

71684005363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 71684005363 in words is "seventy-one billion, six hundred eighty-four million, five thousand, three hundred sixty-three".