51368436754764 has 24 divisors (see below), whose sum is σ = 121648636296768. Its totient is φ = 16867247889360.

The previous prime is 51368436754757. The next prime is 51368436754769. The reversal of 51368436754764 is 46745763486315.

51368436754764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×51368436754764³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51368436754769) 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 7 ways as a sum of consecutive naturals, for example, 31945544442 + ... + 31945546049.

It is an arithmetic number, because the mean of its divisors is an integer number (5068693179032).

Almost surely, 2^{51368436754764} is an apocalyptic number.

It is an amenable number.

51368436754764 is an abundant number, since it is smaller than the sum of its proper divisors (70280199542004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51368436754764 is a wasteful number, since it uses less digits than its factorization.

51368436754764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63891090565 (or 63891090563 counting only the distinct ones).

The product of its digits is 1219276800, while the sum is 69.

The spelling of 51368436754764 in words is "fifty-one trillion, three hundred sixty-eight billion, four hundred thirty-six million, seven hundred fifty-four thousand, seven hundred sixty-four".