3020810646493 has 2 divisors, whose sum is σ = 3020810646494. Its totient is φ = 3020810646492.

The previous prime is 3020810646481. The next prime is 3020810646533. The reversal of 3020810646493 is 3946460180203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1791255670884 + 1229554975609 = 1338378^2 + 1108853^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020810646493 - 2²⁹ = 3020273775581 is a prime.

It is a super-2 number, since 2×3020810646493² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3020810646443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510405323246 + 1510405323247.

It is an arithmetic number, because the mean of its divisors is an integer number (1510405323247).

Almost surely, 2^{3020810646493} is an apocalyptic number.

It is an amenable number.

3020810646493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020810646493 is an equidigital number, since it uses as much as digits as its factorization.

3020810646493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 3020810646493 in words is "three trillion, twenty billion, eight hundred ten million, six hundred forty-six thousand, four hundred ninety-three".