2081049601 has 4 divisors (see below), whose sum is σ = 2094304852. Its totient is φ = 2067794352.

The previous prime is 2081049569. The next prime is 2081049653. The reversal of 2081049601 is 1069401802.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1152263025 + 928786576 = 33945^2 + 30476^2 .

It is a cyclic number.

It is not a de Polignac number, because 2081049601 - 2⁵ = 2081049569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2081049671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6627390 + ... + 6627703.

It is an arithmetic number, because the mean of its divisors is an integer number (523576213).

Almost surely, 2^2081049601 is an apocalyptic number.

It is an amenable number.

2081049601 is a deficient number, since it is larger than the sum of its proper divisors (13255251).

2081049601 is a wasteful number, since it uses less digits than its factorization.

2081049601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13255250.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2081049601 is about 45618.5225648530. The cubic root of 2081049601 is about 1276.7155378614.

The spelling of 2081049601 in words is "two billion, eighty-one million, forty-nine thousand, six hundred one".