51438452368612 has 12 divisors (see below), whose sum is σ = 90413843592240. Its totient is φ = 25605925627976.

The previous prime is 51438452368571. The next prime is 51438452368619. The reversal of 51438452368612 is 21686325483415.

It is a happy number.

51438452368612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51438452368619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28325138062 + ... + 28325139877.

It is an arithmetic number, because the mean of its divisors is an integer number (7534486966020).

Almost surely, 2^{51438452368612} is an apocalyptic number.

It is an amenable number.

51438452368612 is a deficient number, since it is larger than the sum of its proper divisors (38975391223628).

51438452368612 is a wasteful number, since it uses less digits than its factorization.

51438452368612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56650278170 (or 56650278168 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 58.

The spelling of 51438452368612 in words is "fifty-one trillion, four hundred thirty-eight billion, four hundred fifty-two million, three hundred sixty-eight thousand, six hundred twelve".