65842024849 has 2 divisors, whose sum is σ = 65842024850. Its totient is φ = 65842024848.

The previous prime is 65842024841. The next prime is 65842024867. The reversal of 65842024849 is 94842024856.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61718458624 + 4123566225 = 248432^2 + 64215^2 .

It is a cyclic number.

It is not a de Polignac number, because 65842024849 - 2³ = 65842024841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65842024796 and 65842024805.

It is not a weakly prime, because it can be changed into another prime (65842024841) 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, 32921012424 + 32921012425.

It is an arithmetic number, because the mean of its divisors is an integer number (32921012425).

Almost surely, 2^65842024849 is an apocalyptic number.

It is an amenable number.

65842024849 is a deficient number, since it is larger than the sum of its proper divisors (1).

65842024849 is an equidigital number, since it uses as much as digits as its factorization.

65842024849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4423680, while the sum is 52.

The spelling of 65842024849 in words is "sixty-five billion, eight hundred forty-two million, twenty-four thousand, eight hundred forty-nine".