51736286219 has 2 divisors, whose sum is σ = 51736286220. Its totient is φ = 51736286218.

The previous prime is 51736286149. The next prime is 51736286237. The reversal of 51736286219 is 91268263715.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51736286219 - 2²⁰ = 51735237643 is a prime.

It is a super-2 number, since 2×51736286219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51736286279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25868143109 + 25868143110.

It is an arithmetic number, because the mean of its divisors is an integer number (25868143110).

Almost surely, 2^51736286219 is an apocalyptic number.

51736286219 is a deficient number, since it is larger than the sum of its proper divisors (1).

51736286219 is an equidigital number, since it uses as much as digits as its factorization.

51736286219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The spelling of 51736286219 in words is "fifty-one billion, seven hundred thirty-six million, two hundred eighty-six thousand, two hundred nineteen".