71265410033 has 2 divisors, whose sum is σ = 71265410034. Its totient is φ = 71265410032.

The previous prime is 71265410017. The next prime is 71265410039. The reversal of 71265410033 is 33001456217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45816546304 + 25448863729 = 214048^2 + 159527^2 .

It is an emirp because it is prime and its reverse (33001456217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71265410033 - 2⁴ = 71265410017 is a prime.

It is a super-2 number, since 2×71265410033² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71265410039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35632705016 + 35632705017.

It is an arithmetic number, because the mean of its divisors is an integer number (35632705017).

Almost surely, 2^71265410033 is an apocalyptic number.

It is an amenable number.

71265410033 is a deficient number, since it is larger than the sum of its proper divisors (1).

71265410033 is an equidigital number, since it uses as much as digits as its factorization.

71265410033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 71265410033 in words is "seventy-one billion, two hundred sixty-five million, four hundred ten thousand, thirty-three".