2071045049 has 4 divisors (see below), whose sum is σ = 2180047440. Its totient is φ = 1962042660.

The previous prime is 2071045033. The next prime is 2071045057. The reversal of 2071045049 is 9405401702.

It is a happy number.

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 2071045049 - 2⁴ = 2071045033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2071045549) 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 in 3 ways as a sum of consecutive naturals, for example, 54501167 + ... + 54501204.

It is an arithmetic number, because the mean of its divisors is an integer number (545011860).

Almost surely, 2^2071045049 is an apocalyptic number.

It is an amenable number.

2071045049 is a deficient number, since it is larger than the sum of its proper divisors (109002391).

2071045049 is a wasteful number, since it uses less digits than its factorization.

2071045049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109002390.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2071045049 is about 45508.7359635488. The cubic root of 2071045049 is about 1274.6663330896. Note that the first 3 decimals are identical.

The spelling of 2071045049 in words is "two billion, seventy-one million, forty-five thousand, forty-nine".