2085472449 has 12 divisors (see below), whose sum is σ = 3017577316. Its totient is φ = 1387901952.

The previous prime is 2085472423. The next prime is 2085472457. The reversal of 2085472449 is 9442745802.

It can be written as a sum of positive squares in 2 ways, for example, as 2013137424 + 72335025 = 44868^2 + 8505^2 .

It is not a de Polignac number, because 2085472449 - 2⁷ = 2085472321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2085472409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195604 + ... + 205989.

Almost surely, 2^2085472449 is an apocalyptic number.

It is an amenable number.

2085472449 is a deficient number, since it is larger than the sum of its proper divisors (932104867).

2085472449 is a wasteful number, since it uses less digits than its factorization.

2085472449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402176 (or 402173 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 2085472449 is about 45666.9732848587. The cubic root of 2085472449 is about 1277.6193643342.

The spelling of 2085472449 in words is "two billion, eighty-five million, four hundred seventy-two thousand, four hundred forty-nine".