1022645620481 has 2 divisors, whose sum is σ = 1022645620482. Its totient is φ = 1022645620480.

The previous prime is 1022645620429. The next prime is 1022645620519. The reversal of 1022645620481 is 1840265462201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539870788081 + 482774832400 = 734759^2 + 694820^2 .

It is an emirp because it is prime and its reverse (1840265462201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022645620481 is a prime.

It is a super-3 number, since 3×1022645620481³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1022645620421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511322810240 + 511322810241.

It is an arithmetic number, because the mean of its divisors is an integer number (511322810241).

Almost surely, 2^{1022645620481} is an apocalyptic number.

It is an amenable number.

1022645620481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022645620481 is an equidigital number, since it uses as much as digits as its factorization.

1022645620481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 1022645620481 in words is "one trillion, twenty-two billion, six hundred forty-five million, six hundred twenty thousand, four hundred eighty-one".