3020810646481 has 2 divisors, whose sum is σ = 3020810646482. Its totient is φ = 3020810646480.

The previous prime is 3020810646479. The next prime is 3020810646493. The reversal of 3020810646481 is 1846460180203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2576667040000 + 444143606481 = 1605200^2 + 666441^2 .

It is an emirp because it is prime and its reverse (1846460180203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3020810646481 - 2¹ = 3020810646479 is a prime.

It is a super-2 number, since 2×3020810646481² (a number of 26 digits) contains 22 as substring.

Together with 3020810646479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3020810646281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510405323240 + 1510405323241.

It is an arithmetic number, because the mean of its divisors is an integer number (1510405323241).

Almost surely, 2^{3020810646481} is an apocalyptic number.

It is an amenable number.

3020810646481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020810646481 is an equidigital number, since it uses as much as digits as its factorization.

3020810646481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 3020810646481 in words is "three trillion, twenty billion, eight hundred ten million, six hundred forty-six thousand, four hundred eighty-one".