64960842241 has 2 divisors, whose sum is σ = 64960842242. Its totient is φ = 64960842240.

The previous prime is 64960842239. The next prime is 64960842259. The reversal of 64960842241 is 14224806946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57715257600 + 7245584641 = 240240^2 + 85121^2 .

It is a cyclic number.

It is not a de Polignac number, because 64960842241 - 2¹ = 64960842239 is a prime.

It is a super-3 number, since 3×64960842241³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 64960842239, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 64960842191 and 64960842200.

It is not a weakly prime, because it can be changed into another prime (64960842641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32480421120 + 32480421121.

It is an arithmetic number, because the mean of its divisors is an integer number (32480421121).

Almost surely, 2^64960842241 is an apocalyptic number.

It is an amenable number.

64960842241 is a deficient number, since it is larger than the sum of its proper divisors (1).

64960842241 is an equidigital number, since it uses as much as digits as its factorization.

64960842241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 64960842241 in words is "sixty-four billion, nine hundred sixty million, eight hundred forty-two thousand, two hundred forty-one".