51773473313 has 2 divisors, whose sum is σ = 51773473314. Its totient is φ = 51773473312.

The previous prime is 51773473247. The next prime is 51773473379. The reversal of 51773473313 is 31337437715.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (51773473247) and next prime (51773473379).

It can be written as a sum of positive squares in only one way, i.e., 50675412544 + 1098060769 = 225112^2 + 33137^2 .

It is a cyclic number.

It is not a de Polignac number, because 51773473313 - 2⁸ = 51773473057 is a prime.

It is not a weakly prime, because it can be changed into another prime (51773473393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25886736656 + 25886736657.

It is an arithmetic number, because the mean of its divisors is an integer number (25886736657).

Almost surely, 2^51773473313 is an apocalyptic number.

It is an amenable number.

51773473313 is a deficient number, since it is larger than the sum of its proper divisors (1).

51773473313 is an equidigital number, since it uses as much as digits as its factorization.

51773473313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 555660, while the sum is 44.

The spelling of 51773473313 in words is "fifty-one billion, seven hundred seventy-three million, four hundred seventy-three thousand, three hundred thirteen".