71484958439 has 2 divisors, whose sum is σ = 71484958440. Its totient is φ = 71484958438.

The previous prime is 71484958423. The next prime is 71484958459. The reversal of 71484958439 is 93485948417.

It is a weak prime.

It is an emirp because it is prime and its reverse (93485948417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71484958439 - 2⁴ = 71484958423 is a prime.

It is a super-2 number, since 2×71484958439² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71484958459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35742479219 + 35742479220.

It is an arithmetic number, because the mean of its divisors is an integer number (35742479220).

Almost surely, 2^71484958439 is an apocalyptic number.

71484958439 is a deficient number, since it is larger than the sum of its proper divisors (1).

71484958439 is an equidigital number, since it uses as much as digits as its factorization.

71484958439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 62.

The spelling of 71484958439 in words is "seventy-one billion, four hundred eighty-four million, nine hundred fifty-eight thousand, four hundred thirty-nine".