2681791250 has 20 divisors (see below), whose sum is σ = 5026751862. Its totient is φ = 1072716000.

The previous prime is 2681791247. The next prime is 2681791267. The reversal of 2681791250 is 521971862.

It can be written as a sum of positive squares in 5 ways, for example, as 26553409 + 2655237841 = 5153^2 + 51529^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2681791198 and 2681791207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1071467 + ... + 1073966.

Almost surely, 2^2681791250 is an apocalyptic number.

2681791250 is a deficient number, since it is larger than the sum of its proper divisors (2344960612).

2681791250 is an equidigital number, since it uses as much as digits as its factorization.

2681791250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145455 (or 2145440 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 2681791250 is about 51786.0140385413. The cubic root of 2681791250 is about 1389.3393078385.

The spelling of 2681791250 in words is "two billion, six hundred eighty-one million, seven hundred ninety-one thousand, two hundred fifty".