2080949281 has 4 divisors (see below), whose sum is σ = 2085038100. Its totient is φ = 2076860464.

The previous prime is 2080949251. The next prime is 2080949287. The reversal of 2080949281 is 1829490802.

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 1025024256 + 1055925025 = 32016^2 + 32495^2 .

It is a cyclic number.

It is not a de Polignac number, because 2080949281 - 2¹¹ = 2080947233 is a prime.

It is a super-2 number, since 2×2080949281² = 8660699820188833922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2080949287) 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, 2043646 + ... + 2044663.

It is an arithmetic number, because the mean of its divisors is an integer number (521259525).

Almost surely, 2^2080949281 is an apocalyptic number.

It is an amenable number.

2080949281 is a deficient number, since it is larger than the sum of its proper divisors (4088819).

2080949281 is an equidigital number, since it uses as much as digits as its factorization.

2080949281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088818.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 2080949281 is about 45617.4229982361. The cubic root of 2080949281 is about 1276.6950222266.

The spelling of 2080949281 in words is "two billion, eighty million, nine hundred forty-nine thousand, two hundred eighty-one".