2684010249 has 30 divisors (see below), whose sum is σ = 4105087866. Its totient is φ = 1747630080.

The previous prime is 2684010221. The next prime is 2684010283. The reversal of 2684010249 is 9420104862.

2684010249 is a `hidden beast` number, since 2 + 6 + 8 + 401 + 0 + 249 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1497690000 + 1186320249 = 38700^2 + 34443^2 .

It is not a de Polignac number, because 2684010249 - 2¹² = 2684006153 is a prime.

It is a super-2 number, since 2×2684010249² = 14407822033474084002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2684010209) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 140809 + ... + 158729.

Almost surely, 2^2684010249 is an apocalyptic number.

It is an amenable number.

2684010249 is a deficient number, since it is larger than the sum of its proper divisors (1421077617).

2684010249 is an equidigital number, since it uses as much as digits as its factorization.

2684010249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18019 (or 17967 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2684010249 is about 51807.4343024242. The cubic root of 2684010249 is about 1389.7223966437.

The spelling of 2684010249 in words is "two billion, six hundred eighty-four million, ten thousand, two hundred forty-nine".