51336809430841 has 9 divisors (see below), whose sum is σ = 56428149889839. Its totient is φ = 46669755105600.

The previous prime is 51336809430839. The next prime is 51336809430859. The reversal of 51336809430841 is 14803490863315.

It is a happy number.

The square root of 51336809430841 is 7164971.

It is a perfect power (a square), and thus also a powerful number.

51336809430841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 132480712441 + 51204328718400 = 363979^2 + 7155720^2 .

It is not a de Polignac number, because 51336809430841 - 2¹ = 51336809430839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51336809430241) 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 8 ways as a sum of consecutive naturals, for example, 78489001 + ... + 79140361.

Almost surely, 2^{51336809430841} is an apocalyptic number.

51336809430841 is the 7164971-st square number.

51336809430841 is the 3582486-th centered octagonal number.

It is an amenable number.

51336809430841 is a deficient number, since it is larger than the sum of its proper divisors (5091340458998).

51336809430841 is an frugal number, since it uses more digits than its factorization.

51336809430841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302744 (or 651372 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 51336809430841 in words is "fifty-one trillion, three hundred thirty-six billion, eight hundred nine million, four hundred thirty thousand, eight hundred forty-one".