3020405554489 has 2 divisors, whose sum is σ = 3020405554490. Its totient is φ = 3020405554488.

The previous prime is 3020405554487. The next prime is 3020405554511. The reversal of 3020405554489 is 9844555040203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1869462802089 + 1150942752400 = 1367283^2 + 1072820^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020405554489 - 2¹ = 3020405554487 is a prime.

It is a super-2 number, since 2×3020405554489² (a number of 26 digits) contains 22 as substring.

Together with 3020405554487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3020405554487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510202777244 + 1510202777245.

It is an arithmetic number, because the mean of its divisors is an integer number (1510202777245).

Almost surely, 2^{3020405554489} is an apocalyptic number.

It is an amenable number.

3020405554489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020405554489 is an equidigital number, since it uses as much as digits as its factorization.

3020405554489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456000, while the sum is 49.

The spelling of 3020405554489 in words is "three trillion, twenty billion, four hundred five million, five hundred fifty-four thousand, four hundred eighty-nine".