71052733481 has 2 divisors, whose sum is σ = 71052733482. Its totient is φ = 71052733480.

The previous prime is 71052733441. The next prime is 71052733487. The reversal of 71052733481 is 18433725017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70920483481 + 132250000 = 266309^2 + 11500^2 .

It is a cyclic number.

It is not a de Polignac number, because 71052733481 - 2¹⁸ = 71052471337 is a prime.

It is a super-2 number, since 2×71052733481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71052733487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35526366740 + 35526366741.

It is an arithmetic number, because the mean of its divisors is an integer number (35526366741).

Almost surely, 2^71052733481 is an apocalyptic number.

It is an amenable number.

71052733481 is a deficient number, since it is larger than the sum of its proper divisors (1).

71052733481 is an equidigital number, since it uses as much as digits as its factorization.

71052733481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 71052733481 in words is "seventy-one billion, fifty-two million, seven hundred thirty-three thousand, four hundred eighty-one".