2068209049 has 4 divisors (see below), whose sum is σ = 2073844864. Its totient is φ = 2062573236.

The previous prime is 2068209041. The next prime is 2068209053. The reversal of 2068209049 is 9409028602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2068209049 - 2³ = 2068209041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2068209041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2817357 + ... + 2818090.

It is an arithmetic number, because the mean of its divisors is an integer number (518461216).

Almost surely, 2^2068209049 is an apocalyptic number.

It is an amenable number.

2068209049 is a deficient number, since it is larger than the sum of its proper divisors (5635815).

2068209049 is an equidigital number, since it uses as much as digits as its factorization.

2068209049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5635814.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 2068209049 is about 45477.5664366509. The cubic root of 2068209049 is about 1274.0842428975.

The spelling of 2068209049 in words is "two billion, sixty-eight million, two hundred nine thousand, forty-nine".