2063557409 has 2 divisors, whose sum is σ = 2063557410. Its totient is φ = 2063557408.

The previous prime is 2063557403. The next prime is 2063557411. The reversal of 2063557409 is 9047553602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1962755809 + 100801600 = 44303^2 + 10040^2 .

It is a cyclic number.

It is not a de Polignac number, because 2063557409 - 2¹⁶ = 2063491873 is a prime.

Together with 2063557411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2063557403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1031778704 + 1031778705.

It is an arithmetic number, because the mean of its divisors is an integer number (1031778705).

Almost surely, 2^2063557409 is an apocalyptic number.

It is an amenable number.

2063557409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2063557409 is an equidigital number, since it uses as much as digits as its factorization.

2063557409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 2063557409 is about 45426.3955096594. The cubic root of 2063557409 is about 1273.1283385643.

The spelling of 2063557409 in words is "two billion, sixty-three million, five hundred fifty-seven thousand, four hundred nine".