51475469688038 has 16 divisors (see below), whose sum is σ = 84255532300800. Its totient is φ = 23391567006600.

The previous prime is 51475469687977. The next prime is 51475469688101. The reversal of 51475469688038 is 83088696457415.

51475469688038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 318605438 + ... + 318766961.

It is an arithmetic number, because the mean of its divisors is an integer number (5265970768800).

Almost surely, 2^{51475469688038} is an apocalyptic number.

51475469688038 is a deficient number, since it is larger than the sum of its proper divisors (32780062612762).

51475469688038 is a wasteful number, since it uses less digits than its factorization.

51475469688038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637376083.

The product of its (nonzero) digits is 1393459200, while the sum is 74.

The spelling of 51475469688038 in words is "fifty-one trillion, four hundred seventy-five billion, four hundred sixty-nine million, six hundred eighty-eight thousand, thirty-eight".