71349320449 has 8 divisors (see below), whose sum is σ = 78178513248. Its totient is φ = 64577276160.

The previous prime is 71349320443. The next prime is 71349320459. The reversal of 71349320449 is 94402394317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71349320449 - 2¹¹ = 71349318401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71349320399 and 71349320408.

It is not an unprimeable number, because it can be changed into a prime (71349320443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14284512 + ... + 14289505.

It is an arithmetic number, because the mean of its divisors is an integer number (9772314156).

Almost surely, 2^71349320449 is an apocalyptic number.

It is an amenable number.

71349320449 is a deficient number, since it is larger than the sum of its proper divisors (6829192799).

71349320449 is a wasteful number, since it uses less digits than its factorization.

71349320449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28574255.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 71349320449 in words is "seventy-one billion, three hundred forty-nine million, three hundred twenty thousand, four hundred forty-nine".