51264226193 has 2 divisors, whose sum is σ = 51264226194. Its totient is φ = 51264226192.

The previous prime is 51264226187. The next prime is 51264226207. The reversal of 51264226193 is 39162246215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44849497729 + 6414728464 = 211777^2 + 80092^2 .

It is a cyclic number.

It is not a de Polignac number, because 51264226193 - 2²⁰ = 51263177617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51264226193.

It is not a weakly prime, because it can be changed into another prime (51264226183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25632113096 + 25632113097.

It is an arithmetic number, because the mean of its divisors is an integer number (25632113097).

Almost surely, 2^51264226193 is an apocalyptic number.

It is an amenable number.

51264226193 is a deficient number, since it is larger than the sum of its proper divisors (1).

51264226193 is an equidigital number, since it uses as much as digits as its factorization.

51264226193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

It can be divided in two parts, 512642 and 26193, that added together give a palindrome (538835).

The spelling of 51264226193 in words is "fifty-one billion, two hundred sixty-four million, two hundred twenty-six thousand, one hundred ninety-three".