71649044482 has 4 divisors (see below), whose sum is σ = 107473566726. Its totient is φ = 35824522240.

The previous prime is 71649044459. The next prime is 71649044491. The reversal of 71649044482 is 28444094617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28444094617 = 3527 ⋅8064671.

It can be written as a sum of positive squares in only one way, i.e., 70388865481 + 1260179001 = 265309^2 + 35499^2 .

It is a super-2 number, since 2×71649044482² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17912261119 + ... + 17912261122.

Almost surely, 2^71649044482 is an apocalyptic number.

71649044482 is a deficient number, since it is larger than the sum of its proper divisors (35824522244).

71649044482 is a wasteful number, since it uses less digits than its factorization.

71649044482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35824522243.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 71649044482 in words is "seventy-one billion, six hundred forty-nine million, forty-four thousand, four hundred eighty-two".