71449254838 has 8 divisors (see below), whose sum is σ = 115418027088. Its totient is φ = 32976579144.

The previous prime is 71449254827. The next prime is 71449254923. The reversal of 71449254838 is 83845294417.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1374024106 + ... + 1374024157.

It is an arithmetic number, because the mean of its divisors is an integer number (14427253386).

Almost surely, 2^71449254838 is an apocalyptic number.

71449254838 is a deficient number, since it is larger than the sum of its proper divisors (43968772250).

71449254838 is a wasteful number, since it uses less digits than its factorization.

71449254838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748048278.

The product of its digits is 7741440, while the sum is 55.

The spelling of 71449254838 in words is "seventy-one billion, four hundred forty-nine million, two hundred fifty-four thousand, eight hundred thirty-eight".