71413647373 has 2 divisors, whose sum is σ = 71413647374. Its totient is φ = 71413647372.

The previous prime is 71413647359. The next prime is 71413647427. The reversal of 71413647373 is 37374631417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46726010244 + 24687637129 = 216162^2 + 157123^2 .

It is a cyclic number.

It is not a de Polignac number, because 71413647373 - 2⁵ = 71413647341 is a prime.

It is a super-2 number, since 2×71413647373² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71413647343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35706823686 + 35706823687.

It is an arithmetic number, because the mean of its divisors is an integer number (35706823687).

Almost surely, 2^71413647373 is an apocalyptic number.

It is an amenable number.

71413647373 is a deficient number, since it is larger than the sum of its proper divisors (1).

71413647373 is an equidigital number, since it uses as much as digits as its factorization.

71413647373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 46.

The spelling of 71413647373 in words is "seventy-one billion, four hundred thirteen million, six hundred forty-seven thousand, three hundred seventy-three".