2020997914049 has 2 divisors, whose sum is σ = 2020997914050. Its totient is φ = 2020997914048.

The previous prime is 2020997914031. The next prime is 2020997914087. The reversal of 2020997914049 is 9404197990202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1214333473024 + 806664441025 = 1101968^2 + 898145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020997914049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020997913985 and 2020997914003.

It is not a weakly prime, because it can be changed into another prime (2020997910049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010498957024 + 1010498957025.

It is an arithmetic number, because the mean of its divisors is an integer number (1010498957025).

Almost surely, 2^{2020997914049} is an apocalyptic number.

It is an amenable number.

2020997914049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020997914049 is an equidigital number, since it uses as much as digits as its factorization.

2020997914049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 2020997914049 in words is "two trillion, twenty billion, nine hundred ninety-seven million, nine hundred fourteen thousand, forty-nine".