51283838822849 has 2 divisors, whose sum is σ = 51283838822850. Its totient is φ = 51283838822848.

The previous prime is 51283838822803. The next prime is 51283838822903. The reversal of 51283838822849 is 94822883838215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29507243251249 + 21776595571600 = 5432057^2 + 4666540^2 .

It is a cyclic number.

It is not a de Polignac number, because 51283838822849 - 2³⁶ = 51215119346113 is a prime.

It is not a weakly prime, because it can be changed into another prime (51283838822149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25641919411424 + 25641919411425.

It is an arithmetic number, because the mean of its divisors is an integer number (25641919411425).

Almost surely, 2^{51283838822849} is an apocalyptic number.

It is an amenable number.

51283838822849 is a deficient number, since it is larger than the sum of its proper divisors (1).

51283838822849 is an equidigital number, since it uses as much as digits as its factorization.

51283838822849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 424673280, while the sum is 71.

The spelling of 51283838822849 in words is "fifty-one trillion, two hundred eighty-three billion, eight hundred thirty-eight million, eight hundred twenty-two thousand, eight hundred forty-nine".