51402722724863 has 32 divisors (see below), whose sum is σ = 53608262400000. Its totient is φ = 49259534369760.

The previous prime is 51402722724797. The next prime is 51402722724877. The reversal of 51402722724863 is 36842722720415.

51402722724863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51402722724863 - 2⁸ = 51402722724607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51402722724893) 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 31 ways as a sum of consecutive naturals, for example, 185767388 + ... + 186043886.

It is an arithmetic number, because the mean of its divisors is an integer number (1675258200000).

Almost surely, 2^{51402722724863} is an apocalyptic number.

51402722724863 is a deficient number, since it is larger than the sum of its proper divisors (2205539675137).

51402722724863 is a wasteful number, since it uses less digits than its factorization.

51402722724863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277115.

The product of its (nonzero) digits is 9031680, while the sum is 53.

The spelling of 51402722724863 in words is "fifty-one trillion, four hundred two billion, seven hundred twenty-two million, seven hundred twenty-four thousand, eight hundred sixty-three".