71213173087033 has 2 divisors, whose sum is σ = 71213173087034. Its totient is φ = 71213173087032.

The previous prime is 71213173087027. The next prime is 71213173087039. The reversal of 71213173087033 is 33078037131217.

It is a balanced prime because it is at equal distance from previous prime (71213173087027) and next prime (71213173087039).

It can be written as a sum of positive squares in only one way, i.e., 64163255978809 + 7049917108224 = 8010197^2 + 2655168^2 .

It is a cyclic number.

It is not a de Polignac number, because 71213173087033 - 2¹⁷ = 71213172955961 is a prime.

It is a super-2 number, since 2×71213173087033² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71213173087039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35606586543516 + 35606586543517.

It is an arithmetic number, because the mean of its divisors is an integer number (35606586543517).

Almost surely, 2^{71213173087033} is an apocalyptic number.

It is an amenable number.

71213173087033 is a deficient number, since it is larger than the sum of its proper divisors (1).

71213173087033 is an equidigital number, since it uses as much as digits as its factorization.

71213173087033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 46.

The spelling of 71213173087033 in words is "seventy-one trillion, two hundred thirteen billion, one hundred seventy-three million, eighty-seven thousand, thirty-three".