71299444463 has 8 divisors (see below), whose sum is σ = 77122275888. Its totient is φ = 65524935744.

The previous prime is 71299444459. The next prime is 71299444477. The reversal of 71299444463 is 36444499217.

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 71299444463 - 2² = 71299444459 is a prime.

It is a super-2 number, since 2×71299444463² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71299444663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12077606 + ... + 12083507.

It is an arithmetic number, because the mean of its divisors is an integer number (9640284486).

Almost surely, 2^71299444463 is an apocalyptic number.

71299444463 is a deficient number, since it is larger than the sum of its proper divisors (5822831425).

71299444463 is a wasteful number, since it uses less digits than its factorization.

71299444463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24161353.

The product of its digits is 5225472, while the sum is 53.

The spelling of 71299444463 in words is "seventy-one billion, two hundred ninety-nine million, four hundred forty-four thousand, four hundred sixty-three".