71052733441 has 2 divisors, whose sum is σ = 71052733442. Its totient is φ = 71052733440.

The previous prime is 71052733421. The next prime is 71052733481. The reversal of 71052733441 is 14433725017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66180135025 + 4872598416 = 257255^2 + 69804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71052733441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71052733441.

It is not a weakly prime, because it can be changed into another prime (71052733421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35526366720 + 35526366721.

It is an arithmetic number, because the mean of its divisors is an integer number (35526366721).

Almost surely, 2^71052733441 is an apocalyptic number.

It is an amenable number.

71052733441 is a deficient number, since it is larger than the sum of its proper divisors (1).

71052733441 is an equidigital number, since it uses as much as digits as its factorization.

71052733441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 71052733441 in words is "seventy-one billion, fifty-two million, seven hundred thirty-three thousand, four hundred forty-one".