2009961103 has 2 divisors, whose sum is σ = 2009961104. Its totient is φ = 2009961102.

The previous prime is 2009961091. The next prime is 2009961131. The reversal of 2009961103 is 3011699002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2009961103 - 2⁹ = 2009960591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009961193) 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, 1004980551 + 1004980552.

It is an arithmetic number, because the mean of its divisors is an integer number (1004980552).

Almost surely, 2^2009961103 is an apocalyptic number.

2009961103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009961103 is an equidigital number, since it uses as much as digits as its factorization.

2009961103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 2009961103 is about 44832.5897422846. The cubic root of 2009961103 is about 1262.0092874226.

The spelling of 2009961103 in words is "two billion, nine million, nine hundred sixty-one thousand, one hundred three".