51444323234 has 4 divisors (see below), whose sum is σ = 77166484854. Its totient is φ = 25722161616.

The previous prime is 51444323219. The next prime is 51444323267. The reversal of 51444323234 is 43232344415.

51444323234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50008140625 + 1436182609 = 223625^2 + 37897^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51444323194 and 51444323203.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12861080807 + ... + 12861080810.

Almost surely, 2^51444323234 is an apocalyptic number.

51444323234 is a deficient number, since it is larger than the sum of its proper divisors (25722161620).

51444323234 is a wasteful number, since it uses less digits than its factorization.

51444323234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25722161619.

The product of its digits is 138240, while the sum is 35.

Adding to 51444323234 its reverse (43232344415), we get a palindrome (94676667649).

The spelling of 51444323234 in words is "fifty-one billion, four hundred forty-four million, three hundred twenty-three thousand, two hundred thirty-four".