2030888449 has 4 divisors (see below), whose sum is σ = 2085777364. Its totient is φ = 1975999536.

The previous prime is 2030888417. The next prime is 2030888479. The reversal of 2030888449 is 9448880302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9448880302 = 2 ⋅4724440151.

It can be written as a sum of positive squares in 2 ways, for example, as 1454888449 + 576000000 = 38143^2 + 24000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030888449 - 2⁵ = 2030888417 is a prime.

It is a super-4 number, since 4×2030888449⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2030888399 and 2030888408.

It is not an unprimeable number, because it can be changed into a prime (2030888479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27444402 + ... + 27444475.

It is an arithmetic number, because the mean of its divisors is an integer number (521444341).

Almost surely, 2^2030888449 is an apocalyptic number.

It is an amenable number.

2030888449 is a deficient number, since it is larger than the sum of its proper divisors (54888915).

2030888449 is an equidigital number, since it uses as much as digits as its factorization.

2030888449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54888914.

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 2030888449 is about 45065.3797165851. The cubic root of 2030888449 is about 1266.3741100508.

The spelling of 2030888449 in words is "two billion, thirty million, eight hundred eighty-eight thousand, four hundred forty-nine".