64343763049 has 2 divisors, whose sum is σ = 64343763050. Its totient is φ = 64343763048.

The previous prime is 64343763041. The next prime is 64343763053. The reversal of 64343763049 is 94036734346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60486483600 + 3857279449 = 245940^2 + 62107^2 .

It is a cyclic number.

It is not a de Polignac number, because 64343763049 - 2³ = 64343763041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64343762993 and 64343763011.

It is not a weakly prime, because it can be changed into another prime (64343763041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32171881524 + 32171881525.

It is an arithmetic number, because the mean of its divisors is an integer number (32171881525).

Almost surely, 2^64343763049 is an apocalyptic number.

It is an amenable number.

64343763049 is a deficient number, since it is larger than the sum of its proper divisors (1).

64343763049 is an equidigital number, since it uses as much as digits as its factorization.

64343763049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 49.

The spelling of 64343763049 in words is "sixty-four billion, three hundred forty-three million, seven hundred sixty-three thousand, forty-nine".