51323242422493 has 2 divisors, whose sum is σ = 51323242422494. Its totient is φ = 51323242422492.

The previous prime is 51323242422451. The next prime is 51323242422503. The reversal of 51323242422493 is 39422424232315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25713387880569 + 25609854541924 = 5070837^2 + 5060618^2 .

It is a cyclic number.

It is not a de Polignac number, because 51323242422493 - 2⁹ = 51323242421981 is a prime.

It is a super-2 number, since 2×51323242422493² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51323242429493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25661621211246 + 25661621211247.

It is an arithmetic number, because the mean of its divisors is an integer number (25661621211247).

Almost surely, 2^{51323242422493} is an apocalyptic number.

It is an amenable number.

51323242422493 is a deficient number, since it is larger than the sum of its proper divisors (1).

51323242422493 is an equidigital number, since it uses as much as digits as its factorization.

51323242422493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 46.

The spelling of 51323242422493 in words is "fifty-one trillion, three hundred twenty-three billion, two hundred forty-two million, four hundred twenty-two thousand, four hundred ninety-three".