51422673742772 has 6 divisors (see below), whose sum is σ = 89989679049858. Its totient is φ = 25711336871384.

The previous prime is 51422673742751. The next prime is 51422673742829. The reversal of 51422673742772 is 27724737622415.

It can be written as a sum of positive squares in only one way, i.e., 38042324279716 + 13380349463056 = 6167846^2 + 3657916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6427834217843 + ... + 6427834217850.

It is an arithmetic number, because the mean of its divisors is an integer number (14998279841643).

Almost surely, 2^{51422673742772} is an apocalyptic number.

It is an amenable number.

51422673742772 is a deficient number, since it is larger than the sum of its proper divisors (38567005307086).

51422673742772 is a wasteful number, since it uses less digits than its factorization.

51422673742772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12855668435697 (or 12855668435695 counting only the distinct ones).

The product of its digits is 55319040, while the sum is 59.

The spelling of 51422673742772 in words is "fifty-one trillion, four hundred twenty-two billion, six hundred seventy-three million, seven hundred forty-two thousand, seven hundred seventy-two".