71448488593 has 2 divisors, whose sum is σ = 71448488594. Its totient is φ = 71448488592.

The previous prime is 71448488567. The next prime is 71448488597. The reversal of 71448488593 is 39588484417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59288354064 + 12160134529 = 243492^2 + 110273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71448488593 is a prime.

It is a super-2 number, since 2×71448488593² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71448488597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35724244296 + 35724244297.

It is an arithmetic number, because the mean of its divisors is an integer number (35724244297).

Almost surely, 2^71448488593 is an apocalyptic number.

It is an amenable number.

71448488593 is a deficient number, since it is larger than the sum of its proper divisors (1).

71448488593 is an equidigital number, since it uses as much as digits as its factorization.

71448488593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30965760, while the sum is 61.

The spelling of 71448488593 in words is "seventy-one billion, four hundred forty-eight million, four hundred eighty-eight thousand, five hundred ninety-three".