49376573728 has 12 divisors (see below), whose sum is σ = 97210129590. Its totient is φ = 24688286848.

The previous prime is 49376573723. The next prime is 49376573747. The reversal of 49376573728 is 82737567394.

It is a happy number.

49376573728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 30335885584 + 19040688144 = 174172^2 + 137988^2 .

It is not an unprimeable number, because it can be changed into a prime (49376573723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771508933 + ... + 771508996.

Almost surely, 2^49376573728 is an apocalyptic number.

It is an amenable number.

49376573728 is a deficient number, since it is larger than the sum of its proper divisors (47833555862).

49376573728 is a wasteful number, since it uses less digits than its factorization.

49376573728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543017939 (or 1543017931 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 61.

The spelling of 49376573728 in words is "forty-nine billion, three hundred seventy-six million, five hundred seventy-three thousand, seven hundred twenty-eight".