2249683685 has 4 divisors (see below), whose sum is σ = 2699620428. Its totient is φ = 1799746944.

The previous prime is 2249683673. The next prime is 2249683687. The reversal of 2249683685 is 5863869422.

2249683685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 897062401 + 1352621284 = 29951^2 + 36778^2 .

It is a cyclic number.

It is not a de Polignac number, because 2249683685 - 2⁶ = 2249683621 is a prime.

It is a super-2 number, since 2×2249683685² = 10122153365110358450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249683687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224968364 + ... + 224968373.

It is an arithmetic number, because the mean of its divisors is an integer number (674905107).

Almost surely, 2^2249683685 is an apocalyptic number.

It is an amenable number.

2249683685 is a deficient number, since it is larger than the sum of its proper divisors (449936743).

2249683685 is an equidigital number, since it uses as much as digits as its factorization.

2249683685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449936742.

The product of its digits is 4976640, while the sum is 53.

The square root of 2249683685 is about 47430.8305324712. The cubic root of 2249683685 is about 1310.3092883145.

The spelling of 2249683685 in words is "two billion, two hundred forty-nine million, six hundred eighty-three thousand, six hundred eighty-five".