2002016449 has 2 divisors, whose sum is σ = 2002016450. Its totient is φ = 2002016448.

The previous prime is 2002016447. The next prime is 2002016473. The reversal of 2002016449 is 9446102002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1272206224 + 729810225 = 35668^2 + 27015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002016449 - 2¹ = 2002016447 is a prime.

Together with 2002016447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2002016447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001008224 + 1001008225.

It is an arithmetic number, because the mean of its divisors is an integer number (1001008225).

Almost surely, 2^2002016449 is an apocalyptic number.

It is an amenable number.

2002016449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002016449 is an equidigital number, since it uses as much as digits as its factorization.

2002016449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2002016449 is about 44743.8984555436. The cubic root of 2002016449 is about 1260.3443354280.

The spelling of 2002016449 in words is "two billion, two million, sixteen thousand, four hundred forty-nine".